| Save% | Price $ | Title Offers 401 - 800 |
|
| -15% | 17.8 | Pocket Guide to the Birds of Britain and North-West Europe ~ Chris Kightley - Steve Madge Yale University Press Chris Kightley - Steve Madge |
| -13% | 20.2 | A Gap in Nature: Discovering the World's Extinct Animals ~ Tim Flannery Atlantic Monthly Press Tim Flannery |
| -18% | 14.23 | Horses and Rhinos: What They Have in Common (Animals in Order) ~ Sara Swan Miller - Jose Gonzales Franklin Watts Sara Swan Miller - Jose Gonzales |
| -31% | 6.86 | Seba, Shells & Corals (Icons) ~ Albertus Seba - Irmgard, Dr. Musch Taschen Albertus Seba - Irmgard, Dr. Musch |
| -17% | 15.5 | If You Tame Me: Understanding Our Connection With Animals (Animals, Culture ~ Leslie Irvine Temple University Press Leslie Irvine |
| -7% | 39.5 | The Others: How Animals Made Us Human ~ Paul Shepard Island Press Paul Shepard |
| -23% | 9.95 | Shadows in the Sea: The Sharks, Skates and Rays ~ Thomas B. Allen The Lyons Press Thomas B. Allen |
| -20% | 12 | Animals For Show And Pleasure In Ancient Rome ~ George Jennison University of Pennsylvania Press George Jennison |
| -23% | 9.95 | Game Gun ~ Richard S. Grozik Krause Publications Richard S. Grozik |
| -38% | 4.95 | Threatened Birds of the Americas: The ICBP/IUCN Red Data Book (Third Editio ~ N. J. Collar Smithsonian Institution Press N. J. Collar |
| -25% | 9 | The Voice of the Coyote, Second Edition ~ J. Frank Dobie Bison Books J. Frank Dobie |
| -16% | 16 | Roger Tory Peterson ~ Rizzoli Rizzoli Rizzoli |
| -9% | 29.93 | Molecular and Cell Biology of Opportunistic Infections in AIDS (Molecular a ~ Springer |
| -18% | 13.98 | Ants: Standard Methods for Measuring and Monitoring Biodiversity ~ Jonathan D. Majer, Leeanne E. Alonso, And Ted R. Schultz Donat Agosti Smithsonian Institution Press ... |
| -37% | 4.95 | Orangutans: Wizards of the Rain Forest ~ Anne E. Russon Firefly Books Anne E. Russon |
| -6% | 45.00 | Primate Adaptation and Evolution, Second Edition ~ John G. Fleagle Academic Press John G. Fleagle |
| -4% | 73.87 | Evolution of Tertiary Mammals of North America ~ Cambridge University Press |
| -6% | 47.41 | Primate Adaptation and Evolution, Second Edition ~ John G. Fleagle Academic Press John G. Fleagle |
| -23% | 10.00 | The Singing Life of Birds: The Art and Science of Listening to Birdsong ~ Donald Kroodsma Houghton Mifflin Donald Kroodsma |
| -43% | 3.95 | Discover animal life ~ Lynne Hardie Baptista Publications International Lynne Hardie Baptista |
| -5% | 55 | The Nonhuman Primates ~ Phyllis Dolhinow - Agustin Fuentes McGraw-Hill Humanities/Social Sciences/Languages Phyllis Dolhinow... |
| -17% | 13.30 | The Tos Handbook of Texas Birds (Louise Lindsey Merrick Natural Environment ~ Mark W. Lockwood - Brush Freeman Texas A&M University Press Mark W. Lockwood - Brush Freeman |
| -10% | 24.75 | The Wilderness Family: At Home with Africa's Wildlife ~ Kobie Kruger Ballantine Books Kobie Kruger |
| -5% | 54.30 | Applied Animal Reproduction, Sixth Edition ~ H. Joe Bearden - John W. Fuquay - Scott T. Willard Prentice Hall H. Joe Bearden - John W. Fuquay - S... |
| -10% | 26.37 | Birds of the World: A Photographic Guide ~ Firefly Books |
| -24% | 8.99 | Saltwater Aquariums For Dummies (For Dummies (Lifestyles Paperback)) ~ Gregory, PhD Skomal For Dummies Gregory, PhD Skomal |
| -10% | 24.99 | Basslets, Dottybacks and Hawkfishes: Plus Seven More Aqarium Fish Families ~ Scott W. Michael - Fred Bavendam - Paul Humann - Rudie Kuiter - John Randall - Roger Steene - Takamo... |
| -3% | 79.16 | A Field Guide to the Birds of Sri Lanka ~ John Harrison Oxford University Press, USA John Harrison |
| -31% | 6.04 | Tula Hatti: The Last Great Elephant ~ Peter Byrne Faber & Faber Peter Byrne |
| -5% | 52.96 | Bird Census Techniques, 2nd Edition ~ Colin J. Bibby - Neil D. Burgess - David A. Hill - Simon Mustoe Academic Press Colin J. Bibby - Neil... |
| -11% | 21.54 | A Guide to Common Freshwater Invertebrates of North America ~ J. Reese Voshell McDonald and Woodward Publishing Company J. Reese Voshell |
| -26% | 7.36 | Straight from the Horse's Mouth: How to Talk to Animals and Get Answers ~ Amelia Kinkade Crown Amelia Kinkade |
| -7% | 37 | Developmental Psychobiology: An Interdisciplinary Science ~ George F. Michel - Celia L. Moore The MIT Press George F. Michel - Celia L. Moore |
| -20% | 10.36 | The USPC Guide to Conformation, Movement and Soundness (Howell Equestrian L ~ Susan E. Harris Howell Book House Susan E. Harris |
| -15% | 14.89 | Kanzi: The Ape at the Brink of the Human Mind ~ Sue Savage-Rumbaugh - Roger Lewin Wiley Sue Savage-Rumbaugh - Roger Lewin |
| -39% | 3.99 | Grizzly Cub: Five Years in the Life of a Bear ~ Rick McIntyre Alaska Northwest Books Rick McIntyre |
| -6% | 40.25 | How to Know the Freshwater Fishes (Pictured Key Nature Series) ~ Samuel Eddy - James C Underhill - John Bamrick - Edward T Cawley - Wm. G Jaques McGraw-Hill Science/... |
| -56% | 1.99 | Wisdom of Frogs (The Wisdom of Animals) ~ Hylas Publishing |
| -17% | 12.5 | Adam's River: Exploring the Mystery of the Adams River Sockeye ~ Mark Hume - Rick Blacklaws New Star Books Mark Hume - Rick Blacklaws |
| -16% | 12.75 | Turtles: An Extraordinary Natural History 245 Million Years in the Making ~ Carl J. Franklin Voyageur Press Carl J. Franklin |
| -8% | 27.98 | On the Move: How and Why Animals Travel in Groups ~ University Of Chicago Press |
| -13% | 16.47 | Lone Star Field Guide to Texas Snakes, Third Edition (Lone Star Guides) ~ Alan Tennant Taylor Trade Publishing Alan Tennant |
| -3% | 78.49 | Early Development of Xenopus Laevis ~ Hazel L. Sive - Robert M. Grainger - Richard M. Harland Cold Spring Harbor Laboratory Press Hazel L.... |
| -5% | 49.99 | Essential Reproduction (Essentials) ~ Martin H. Johnson - Barry J. Everitt Blackwell Publishing Limited Martin H. Johnson - Barry J. Everi... |
| -20% | 10 | The Medici Giraffe ~ Marina Belozerskaya Little, Brown and Company Marina Belozerskaya |
| -1% | 227.08 | The Ants ~ Bert Hölldobler - Edward O. Wilson Springer Bert Hölldobler - Edward O. Wilson |
| -7% | 32.60 | Sir Gawain and the Green Knight ~ Norman Davis Oxford University Press, USA Norman Davis |
| -7% | 30.46 | Mechanistic Home Range Analysis (Monographs in Population Biology) ~ Paul R. Moorcroft - Mark A. Lewis Princeton University Press Paul R. Moorcroft - Mark A. Lewis |
| -22% | 8.01 | Elephants (World Life Library) ~ Joyce Poole Voyageur Press Joyce Poole |
| -9% | 22.99 | Birds of the Seychelles (Princeton Field Guides) ~ Ian Bullock - Adrian Skerrett Princeton University Press Ian Bullock - Adrian Skerrett |
| -13% | 15.64 | Smithsonian Handbooks: Birds of New England (Smithsonian Handbooks) ~ DK Publishing - III, Fred J. Alsop DK ADULT DK Publishing - III, Fred J. Alsop |
| -8% | 26 | Bird Songs ~ Les Beletsky Chronicle Books Les Beletsky |
| -25% | 6.55 | National Audubon Society Field Guide to North American Birds: Western Regio ~ NATIONAL AUDUBON SOCIETY Knopf NATIONAL AUDUBON SOCIETY |
| -20% | 8.76 | Through Animals' Eyes: True Stories from a Wildlife Sanctuary ~ Lynn Marie Cuny University of North Texas Press Lynn Marie Cuny |
| -2% | 86.90 | The Living Elephants: Evolutionary Ecology, Behaviour, and Conservation (Li ~ Raman Sukumar Oxford University Press, USA Raman Sukumar |
| -13% | 14.93 | The Arctic: A Guide to Coastal Wildlife, 2nd (Bradt Guides) ~ Tony Soper Bradt Travel Guides Tony Soper |
| -7% | 28.94 | Falconry & Hawking ~ Phillip Glasier Batsford Phillip Glasier |
| -3% | 70.39 | The Neurobiology of Parental Behavior (Hormones, Brain, and Behavior) ~ Michael Numan - Thomas R. Insel Springer Michael Numan - Thomas R. Insel |
| -6% | 36.74 | The Fishes of Illinois ~ Philip W. Smith University of Illinois Press Philip W. Smith |
| -3% | 73.60 | Insect Physiology and Biochemistry ~ James L. Nation CRC James L. Nation |
| -18% | 9.6 | Discover Nature in Water & Wetlands: Things to Know and Things to Do (Disco ~ Elizabeth P. Lawlor Stackpole Books Elizabeth P. Lawlor |
| -3% | 80.93 | Handbook to the Construction and Use of Insect Collection and Rearing Devic ~ Gregory S. Paulson Springer Gregory S. Paulson |
| -10% | 19.77 | Venomous Snakes of the World ~ Mark O'Shea Princeton University Press Mark O'Shea |
| -26% | 5.98 | Mind of the Raven: Investigations and Adventures with Wolf-Birds ~ Bernd Heinrich Harper Perennial Bernd Heinrich |
| -7% | 27.04 | The Domestic Dog: Its Evolution, Behaviour and Interactions with People ~ Cambridge University Press |
| -9% | 20.54 | The Domestic Cat: The Biology of its Behaviour ~ Cambridge University Press |
| -29% | 4.95 | Raising the Peaceable Kingdom: What Animals Can Teach Us About the Social O ~ Jeffrey Moussaieff Masson Ballantine Books Jeffrey Moussaieff Masson |
| -23% | 6.96 | Birds ~ Robert Bateman Pantheon Robert Bateman |
| -3% | 56.33 | Wildlife Demography : Analysis of Sex, Age, and Count Data ~ John R. Skalski - Kristin E. Ryding - Joshua Millspaugh Academic Press John R. Skalski - Kristin E. ... |
| -10% | 17.93 | Life Underground: The Biology of Subterranean Rodents ~ University Of Chicago Press |
| -17% | 9.99 | A Birder's Guide to Coastal North Carolina ~ John O., III Fussell The University of North Carolina Press John O., III Fussell |
| -4% | 47.89 | Extinction and Biogeography of Tropical Pacific Birds ~ David W. Steadman University Of Chicago Press David W. Steadman |
| -8% | 23 | A Monograph of the Testudinata ~ Thomas Bell Octavo Corporation Thomas Bell |
| -13% | 12.95 | Life at the Zoo: Behind the Scenes with the Animal Doctors ~ Phillip T. Robinson Columbia University Press Phillip T. Robinson |
| -2% | 112.49 | Pennak's Freshwater Invertebrates of the United States: Porifera to Crustac ~ Douglas Grant Smith Wiley Douglas Grant Smith |
| -7% | 28 | Parasitic Birds and Their Hosts: Studies in Coevolution (Oxford Ornithology ~ Oxford University Press, USA |
| -27% | 5.49 | More of My Recipies Are for the Birds ~ Irene Cosgrove Main Street Books Irene Cosgrove |
| -4% | 50 | Animal Physiology: Adaptation and Environment ~ Knut Schmidt-Nielsen Cambridge University Press Knut Schmidt-Nielsen |
| -7% | 26.5 | Measuring Behaviour ~ Paul Martin - Patrick Bateson Cambridge University Press Paul Martin - Patrick Bateson |
| -3% | 76.10 | Reptiles and Herbivory ~ G.M. King Springer G.M. King |
| -5% | 40.00 | The Veterinarian's Encyclopedia of Animal Behavior ~ Bonnie V. G. Beaver Iowa State Press Bonnie V. G. Beaver |
| -3% | 60 | Polar Dance: Born of the North Wind ~ Thomas D. Mangelsen - Fred Bruemmer Images of Nature Thomas D. Mangelsen - Fred Bruemmer |
| -50% | 2 | Hope Is the Thing with Feathers: A Personal Chronicle of Vanished Birds ~ Christopher Cokinos Tarcher Christopher Cokinos |
| -20% | 8.00 | The All-Season Backyard Birdwatcher: Feeding and Landscaping Techniques Gua ~ Marcus Schneck Quarry Books Marcus Schneck |
| -3% | 59.60 | Primate Anatomy, Second Edition: An Introduction ~ Friderun Ankel-Simons Academic Press Friderun Ankel-Simons |
| -33% | 3.99 | Animal Tracks of Alaska (Animal Tracks) ~ Chris Stall Mountaineers Books Chris Stall |
| -7% | 24.97 | Strange Death of British Birdsong (Landmark Countryside Collection) ~ Michael Waterhouse Landmark Publishing Ltd Michael Waterhouse |
| -2% | 106.83 | Evolution Illuminated: Salmon and Their Relatives ~ Stephen C. Stearns Oxford University Press, USA Stephen C. Stearns |
| -11% | 16.00 | The Bat: Wings in the Night Sky ~ Brock Fenton Firefly Books Brock Fenton |
| -16% | 10.36 | The Discus: An Owner's Guide toa Happy Healthy Fish (Happy Healthy Pet) ~ Mic Hargrove - Maddy Hargrove - David Brown Howell Book House Mic Hargrove - Maddy Hargrove - David ... |
| -24% | 6.07 | American Man-Killers: True Stories of a Dangerous Wilderness ~ Don Zaidle Safari Press Don Zaidle |
| -19% | 7.98 | The Selfish Gene ~ Richard Dawkins Oxford University Press, USA Richard Dawkins |
| -2% | 81.50 | Fishes of the Gulf of Mexico, Vol. 1: Myxiniformes to Gasterosteiformes (F ~ John McEachran - Janice D. Fechhelm University of Texas Press John McEachran - Janice D. Fechhelm |
| -13% | 12.98 | Secrets of the Savanna ~ Mark James Owens - Cordelia Dykes Owens Houghton Mifflin Mark James Owens - Cordelia Dykes Owens |
| -24% | 6 | Fuzzytail Friends Lift-and-Look Animal Book (Great Big Board Book) ~ Lisa Mccue Random House Books for Young Readers Lisa Mccue |
| -7% | 26.21 | The Camel's Nose: Memoirs Of A Curious Scientist ~ Knut Schmidt-Nielsen Island Press Knut Schmidt-Nielsen |
| -2% | 88 | Lemurs: Ecology and Adaptation (Developments in Primatology: Progress and P ~ Springer |
| -6% | 29.66 | Raptors of Eastern North America: The Wheeler Guides ~ Brian K. Wheeler Princeton University Press Brian K. Wheeler |
| -17% | 9.11 | Wildlife Warrior: Steve Irwin: 1962 - 2006, a Man Who Changed the World ~ Richard Shears New Holland Australia Richard Shears |
| -70% | 0.75 | A Plague of Frogs : The Horrifying True Story ~ William Souder Hyperion William Souder |
| -58% | 1.25 | Encyclopedia Of Awesome Animal (Awesome Encyclopedias) ~ Claire Llewellyn Copper Beech Claire Llewellyn |
| -4% | 42.84 | Barn Owls: Predator-Prey Relationships and Conservation ~ Iain Taylor Cambridge University Press Iain Taylor |
| -30% | 4 | On the Wing: To the Edge of the Earth with the Peregrine Falcon ~ Alan Tennant Anchor Alan Tennant |
| -3% | 47.95 | Animal Eyes (Oxford Animal Biology Series) ~ Michael F. Land - Dan-Eric Nilsson Oxford University Press, USA Michael F. Land - Dan-Eric Nilsson |
| -10% | 15.35 | The Ark in Park: The Story of Lincoln Park Zoo ~ Mark Rosenthal - Carol Tauber - Edward Uhlir University of Illinois Press Mark Rosenthal - Carol Tau... |
| -4% | 37.05 | Metapopulations and Wildlife Conservation ~ Island Press |
| -3% | 48.71 | Bird Ecology and Conservation: A Handbook of Techniques (Techniques in Ecol ~ William J. Sutherland - Ian Newton - Rhys E. Green Oxford University Press, USA William J. Sutherlan... |
| -21% | 6.29 | An Introduction to Southern California Birds ~ Herbert Clarke Mountain Press Publishing Company Herbert Clarke |
| -16% | 8.5 | Field Guide to Tracking Animals in Snow ~ Louise Richardson Forrest Stackpole Books Louise Richardson Forrest |
| -4% | 41.3 | Parrots of the World: An Identification Guide ~ Joseph M. Forshaw Princeton University Press Joseph M. Forshaw |
| -14% | 10 | Under Ground: How Creatures of Mud and Dirt Shape Our World ~ Yvonne Baskin Island Press Yvonne Baskin |
| -11% | 13.36 | Postcards from the Zoo: Animal Tales from a 25-Year Zoo Safari ~ Darill Clements HarperCollins Australia Darill Clements |
| -14% | 9.92 | The Book of North American Birds ~ Reader's Digest Editors Readers Digest Reader's Digest Editors |
| -9% | 15.99 | Cowboy Action Shooting: Gear - Guns - Tactics ~ Kevin Michalowski Books Americana Kevin Michalowski |
| -10% | 14.25 | Grizzlies in the Wild ~ Kennan Ward Northword Press Kennan Ward |
| -2% | 64.48 | The Butterflies of Pakistan ~ T. J. Roberts Oxford University Press, USA T. J. Roberts |
| -4% | 38.08 | The Great Gallery of Ducks and Other Waterfowl ~ Richard Lemaster Stackpole Books Richard Lemaster |
| -19% | 6.65 | The Body Electric: Electromagnetism and the Foundation of Life ~ Robert Becker - Gary Selden Harper Paperbacks Robert Becker - Gary Selden |
| -10% | 13.50 | Biological Anthropology ~ Michael Alan Park McGraw-Hill Humanities/Social Sciences/Languages Michael Alan Park |
| -33% | 3 | National Audubon Society Pocket Guide to Familiar Birds: Eastern Region: Ea ~ NATIONAL AUDUBON SOCIETY Knopf NATIONAL AUDUBON SOCIETY |
| -5% | 31.44 | Great Auk ~ Errol Fuller Harry N Abrams Errol Fuller |
| -9% | 14.97 | The Loved Dog: The Playful, Nonaggressive Way to Teach Your Dog Good Behavior ~ Tamar Geller - Andrea Cagan Simon Spotlight Entertainment Tamar Geller - Andrea Cagan |
| -1% | 243.06 | Atlas of Mouse Development ~ Matthew H. Kaufman Academic Press Matthew H. Kaufman |
| -5% | 28.22 | Elephant ~ Steve Bloom Chronicle Books Steve Bloom |
| -5% | 31.32 | A Guide to the Birds of Panama ~ Robert S. Ridgely - John A. Gwynne Princeton University Press Robert S. Ridgely - John A. Gwynne |
| -11% | 12 | Life in the Chesapeake Bay ~ Alice Jane Lippson - Robert L. Lippson The Johns Hopkins University Press Alice Jane Lippson - Rober... |
| -9% | 14.50 | Where to Watch Birds in Europe and Russia ~ Nigel Wheatley Princeton University Press Nigel Wheatley |
| -24% | 4.5 | Birds of the Wetlands (Ap Natural World) ~ James Hancock Princeton University Press James Hancock |
| -29% | 3.55 | Black Bear ~ Daniel J. Cox Chronicle Books Daniel J. Cox |
| -13% | 9.43 | Animal Architects: Building and the Evolution of Intelligence ~ James L. Gould - Carol Grant Gould Basic Books James L. Gould - Carol Grant Gould |
| -2% | 57.17 | Wildlife Demography : Analysis of Sex, Age, and Count Data ~ John R. Skalski - Kristin E. Ryding - Joshua Millspaugh Academic Press John R. Skalski - Kristin E. ... |
| -9% | 13.57 | The Shark Almanac: A Fully Illustrated Natural History of Sharks, Skates, a ~ Thomas B. Allen The Lyons Press Thomas B. Allen |
| -22% | 4.95 | Big Fleas Have Little Fleas: How Discoveries of Invertebrate Diseases Are A ~ Elizabeth W. Davidson University of Arizona Press Elizabeth W. Davidson |
| -5% | 27.07 | Scaling: Why is Animal Size so Important? ~ Knut Schmidt-Nielsen Cambridge University Press Knut Schmidt-Nielsen |
| -9% | 13.57 | Sharks of the Pacific Northwest: Including Oregon, Washington, British Colu ~ Alessandro De Maddalena - Antonella Preti - Tarik Polanski Harbour Alessandro De Maddalena - Antonel... |
| -3% | 39.61 | Field Guide to the Birds of Cuba (Helm Field Guides) ~ Orlando H. Garrido - Arturo Kirkconnell Christopher Helm Publishers Ltd Orlando H. Garrido - Arturo ... |
| -3% | 38.86 | The Complete Guide to the Birds of Europe ~ Lars Svensson - Peter J. Grant Princeton University Press Lars Svensson - Peter J. Grant |
| -16% | 7.00 | A Guide to Bird Finding in Kansas and Western Missouri ~ John L. Zimmerman - Sebastian T. Patti - Robert M. Mengel University Press of Kansas John L. Zimmerm... |
| -1% | 93.56 | Invertebrates ~ Richard C. Brusca - Gary J. Brusca Sinauer Associates Richard C. Brusca - Gary J. Brusca |
| -12% | 10.17 | Theodore Roosevelt: Wilderness Writing (Literature of the American Wilderness) ~ Theodore Roosevelt Peregrine Smith Books Theodore Roosevelt |
| -3% | 43.00 | Audubon to Xantus: The Lives of Those Commemorated in North American Bird Names ~ Barbara Mearns - Richard Mearns Academic Pr Barbara Mearns - Richard Mearns |
| -18% | 5.74 | Design and Maintenance of Desert Vivaria (Vivarium Design Series) ~ Philippe De Vosjoli Advanced Vivarium Systems Philippe De Vosjoli |
| -16% | 6.49 | Animals and Psychedelics: The Natural World and the Instinct to Alter Consc ~ Giorgio Samorini - Robert Montgomery Park Street Press Giorgio Samorini - Robert Montgomery |
| -28% | 3.23 | Birdhouses, Feeders You Can Make (Project Books) ~ Hi Sibley Goodheart-Wilcox Publisher Hi Sibley |
| -10% | 11.54 | Apple Snails in the Aquarium: Ampullariids : Their Identification, Care, an ~ Gloria Perrera - Jerry G. Walls TFH Publications Gloria Perrera - Jerry G. Walls |
| -4% | 28.89 | Aquarium Sharks & Rays: An Essential Guide to Their Selection, Keeping, and ~ Scott W. Michael TFH Publications Scott W. Michael |
| -2% | 68.28 | Population Ecology: A Unified Study of Animals and Plants ~ Michael Begon - Martin Mortimer - D. J. Thompson Blackwell Publishing Limited Michael Begon - Martin... |
| -4% | 28.75 | Salmon Without Rivers: A History Of The Pacific Salmon Crisis ~ James A. Lichatowich Island Press James A. Lichatowich |
| -2% | 48.95 | Animal Locomotion (Oxford Animal Biology Series) ~ Andrew A. Biewener Oxford University Press, USA Andrew A. Biewener |
| -3% | 34.95 | Conservation of the Black-Tailed Prairie Dog: Saving North America's Wester ~ Island Press |
| -2% | 69.21 | Dunnock Behaviour and Social Evolution (Oxford Series in Ecology and Evolution) ~ N. B. Davies Oxford University Press, USA N. B. Davies |
| -9% | 11.46 | Bird Mimicry ~ Various Artists British Library Various Artists |
| -15% | 6.99 | Talking With the Animals ~ Patty Summers Hampton Roads Publishing Company Patty Summers |
| -9% | 11.53 | The Life Cycles of Butterflies: From Egg to Maturity, a Visual Guide to 23 ~ Judy Burris - Wayne Richards Storey Publishing, LLC Judy Burris - Wayne Richards |
| -13% | 7.84 | IUCN Red List Categories and Criteria: Version 3.1 ~ IUCN Species Survival Commission World Conservation Union IUCN Species Survival Commission |
| -2% | 73.27 | The End of a Trail: The Cheetah in India (Oxford India Paperbacks) ~ Divyabhanusinh Oxford University Press, USA Divyabhanusinh |
| -4% | 27.94 | Animal Intelligence: Experimental Studies ~ Edward Thorndike Transaction Publishers Edward Thorndike |
| -6% | 18.54 | Venomous Snakes of the World ~ Mark O'Shea Princeton University Press Mark O'Shea |
| -1% | 87.03 | Sedge Moths of North America, The (Lepidoptera: Glyphipterigidae) (Starmont ~ Heppner CRC Heppner |
| -18% | 5.29 | Backyard Bird Habitat: Create Your Own Thriving Bird Sanctuary ~ Will Curtis - Jane Curtis Countryman Pr Will Curtis - Jane Curtis |
| -4% | 30.52 | The Behavior Guide to African Mammals: Including Hoofed Mammals, Carnivores ~ Richard Despard Estes University of California Press Richard Despard Estes |
| -9% | 11.94 | Fox (Reaktion Books - Animal) ~ Martin Wallen Reaktion Books Martin Wallen |
| -2% | 50.23 | Natural Enemies: An Introduction to Biological Control ~ Ann E. Hajek Cambridge University Press Ann E. Hajek |
| -2% | 58.24 | Marine Mammals: Evolutionary Biology ~ Annalisa Berta - James L. Sumich - Kit M. Kovacs Academic Press Annalisa Berta - James L. Sumich - K... |
| -1% | 121.9 | Avian Incubation: Behaviour, Environment, and Evolution (Oxford Ornithology ~ Oxford University Press, USA |
| -7% | 15 | Waiting to Fly: My Escapades With The Penguins Of Antarctica ~ Ron Naveen Harper Perennial Ron Naveen |
| -2% | 66.52 | Mammals of the Neotropics, Volume 2: The Southern Cone: Chile, Argentina, U ~ Kent H. Redford - John F. Eisenberg University Of Chicago Press Kent H. Redford - John F. Eisenberg |
| -1% | 83.5 | A Bird in the Bush: A Social History of Birdwatching ~ Stephen Moss Aurum Press, Limited Stephen Moss |
| -7% | 15.00 | Cloud: Wild Stallion of the Rockies ~ Ginger Kathrens BowTie Press Ginger Kathrens |
| -5% | 18.88 | The Illustrated Encyclopedia of Birds: The Definitive Reference to Birds of ~ Christopher M. Perrins Prentice Hall Trade Christopher M. Perrins |
| -15% | 6 | Birds of Seattle and Puget Sound (City Bird Guides) ~ Chris C. Fisher Lone Pine Publishing Chris C. Fisher |
| -12% | 7.99 | Horses and the Mystical Path: The Celtic Way of Expanding the Human Soul ~ Adele Von Rust McCormick - Marlene Deborah McCormick - Thomas E. McCormick New World Library Adele V... |
| -13% | 6.95 | Heart and Blood: Living with Deer in America ~ Richard Nelson Knopf Richard Nelson |
| -12% | 7.95 | National Audubon Society Field Guide to North American Mammals: (Revised an ~ NATIONAL AUDUBON SOCIETY Knopf NATIONAL AUDUBON SOCIETY |
| -10% | 8.95 | Rat Dissection Manual (Johns Hopkins Laboratory Dissections Series) ~ Bruce D. Wingerd The Johns Hopkins University Press Bruce D. Wingerd |
| -5% | 18.95 | The Illustrated Encyclopedia of Birds of the World (Illustrated Encyclopedia) ~ David Alderton Lorenz Books David Alderton |
| -21% | 3.95 | The Bear's Embrace: A True Story of Survival ~ Patricia Van Tighem Pantheon Patricia Van Tighem |
| -5% | 20.77 | Great Wildlife of the Great Plains ~ Paul A. Johnsgard University Press of Kansas Paul A. Johnsgard |
| -11% | 7.95 | Tales of a Low-Rent Birder ~ Pete Dunne University of Texas Press Pete Dunne |
| -23% | 3.54 | Dogs That Know When Their Owners Are Coming Home: And Other Unexplained Pow ~ Rupert Sheldrake Three Rivers Press Rupert Sheldrake |
| -4% | 21.84 | The Birds of East Africa: Kenya, Tanzania, Uganda, Rwanda, Burundi (Princet ~ Terry Stevenson - John Fanshawe Princeton University Press Terry Stevenson - John Fanshawe |
| -4% | 24.95 | Tiger, Tiger ~ Jean-Jacques Annaud - Karine Lou Matignon Thames & Hudson Jean-Jacques Annaud - Karine Lou Matignon |
| -3% | 33.55 | The Oxford Anthology of Indian Wildlife: Volume I: Hunting and Shooting (Ox ~ Oxford University Press, USA |
| -3% | 30.51 | The Explorers' Texas: The Animals They Found ~ Del Weniger Eakin Press Del Weniger |
| -2% | 42.98 | Spirit of the Wild Dog: The World of Wolves, Coyotes, Foxes, Jackals and Dingoes ~ Lesley J. Rogers - Gisela Kaplan Allen & Unwin Lesley J. Rogers - Gisela Kaplan |
| -17% | 4.99 | Fish! A Remarkable Way to Boost Morale and Improve Results ~ Stephen C. Lundin - Harry Paul - John Christensen Hyperion Stephen C. Lundin - Harry Paul - John Chr... |
| -5% | 19.99 | Handbook of Fish Diseases ~ Dieter Untergasser TFH Publications Dieter Untergasser |
| -11% | 8 | The Eye of the Elephant: An Epic Adventure in the African Wilderness ~ Delia Owens - Mark Owens Houghton Mifflin (T) Delia Owens - Mark Owens |
| -3% | 33.95 | Geckoes: Biology, Husbandry, and Reproduction ~ Friedrich-Wilhelm Henkel - Wolfgang Schmidt Krieger Publishing Company Friedrich-Wilhelm Henkel - Wo... |
| -1% | 69 | Colorado Breeding Bird Atlas ~ Hugh E. Kingery Colorado Bird Atlas Partnership Hugh E. Kingery |
| -6% | 17 | Tree of Origin: What Primate Behavior Can Tell Us about Human Social Evolution ~ Richard Byrne - Robin Dunbar - W.C. McGrew - Anne Pusey - Charles Snowdon - Craig B. Stanford - Kare... |
| -11% | 8 | Seasons of the Wild ~ John Hollingsworth - Karen Hollingsworth Worm Press John Hollingsworth - Karen Hollingsworth |
| -1% | 98.99 | Evolution Illuminated: Salmon and Their Relatives ~ Stephen C. Stearns Oxford University Press, USA Stephen C. Stearns |
| -1% | 164.00 | Fish Cognition and Behavior (Fish and Aquatic Resources) ~ Blackwell Publishing Limited |
| -3% | 31.87 | Birds of Mexico and Central America (Collins Field Guide) ~ Ber van Perlo Collins Ber van Perlo |
| -17% | 5 | Rocky Mountain Birds: Easy Identification ~ Betty R. Seacrest - Delbert A. McNew Avery Press Betty R. Seacrest - Delbert A. McNew |
| -41% | 1.45 | Beluga: A Farewell to Whales ~ Pierre Beland The Lyons Press Pierre Beland |
| -4% | 24.25 | Fish Facts ~ Geoff Swinney Medical Physics Publishing Corporation Geoff Swinney |
| -2% | 53.90 | Wings of Paradise: The Great Saturniid Moths ~ John Cody The University of North Carolina Press John Cody |
| -8% | 10.95 | Thought to Exist in the Wild: Awakening from the Nightmare of Zoos ~ Derrick Jensen NoVoice Unheard Derrick Jensen |
| -9% | 10.00 | The Horse Encyclopedia ~ Josee Hermsen Firefly Books Josee Hermsen |
| -9% | 10.00 | Great Bear Almanac ~ Gary Brown The Lyons Press Gary Brown |
| -12% | 7.50 | Ruffed Grouse: Woodland Drummer ~ Michael Furtman Stackpole Books Michael Furtman |
| -33% | 1.95 | Yellowstone Fishes: Ecology, History, and Angling in the Park ~ John D. Varley - Paul Schullery Stackpole Books John D. Varley - Paul Schullery |
| -8% | 12 | Endangered Species Recovery: Finding the Lessons, Improving the Process ~ Island Press |
| -20% | 4.00 | Hawks in Flight: The Flight Identification of North American Migrant Raptors ~ Clay Sutton - Peter Dunne Houghton Mifflin Clay Sutton - Peter Dunne |
| -1% | 74.75 | Koalas: Moving Portraits of Serenity ~ Koala Jo Publishing |
| -4% | 23.99 | Australian Parrots, Third Edition ~ Joseph M. Forshaw Avi-Trader Publishing Joseph M. Forshaw |
| -6% | 15 | The Habitat Guide to Birding ~ Thomas P., Jr. McElroy Lyons Pr Thomas P., Jr. McElroy |
| -3% | 29.25 | Biology of Marine Mammals ~ John E. Reynolds III - Sentiel A. Rommel Smithsonian John E. Reynolds III - Sentiel A. Rommel |
| -6% | 15.75 | All Things Reconsidered: My Birding Adventures ~ Roger Tory Peterson Houghton Mifflin Roger Tory Peterson |
| -1% | 88.09 | Brother Wolf: A Forgotten Promise ~ Jim Brandenburg Northword Press Jim Brandenburg |
| -4% | 21.24 | Sri Lankan Wildlife (Bradt Guides) ~ Gehan de Silva Wijeyeratne Bradt Travel Guides Gehan de Silva Wijeyeratne |
| -15% | 5.00 | Wild Animals I Have Known ~ Ernest Thompson Seton Dover Publications Ernest Thompson Seton |
| -1% | 87.91 | Ornithology ~ Frank B. Gill W. H. Freeman Frank B. Gill |
| -1% | 112 | Analyses in Insect Ecology and Management ~ Larry P. Pedigo - Michael R. Zeiss Iowa State Press Larry P. Pedigo - Michael R. Zeiss |
| -2% | 39.60 | The Dissection of Vertebrates: A Laboratory Manual ~ Gerry DeIuliis - Dino Pulera Academic Press Gerry DeIuliis - Dino Pulera |
| -7% | 10.5 | Puffins (Worldlife Library) ~ Kenny Taylor Voyageur Press Kenny Taylor |
| -3% | 26.95 | Mammals of Southern Africa ~ Jonathan Kingdon Covos Day Books,South Africa Jonathan Kingdon |
| -1% | 64.7 | Dangerous Australian Animals ~ Struan K. Sutherland - Guy Nolch Hyland House Publishing Struan K. Sutherland - Guy Nolch |
| -4% | 22.95 | Saving the Big Cats: The Exotic Feline Rescue Center (Quarry Books) ~ Stephen D. McCloud Quarry Books Stephen D. McCloud |
| -2% | 39.61 | A Photographic Guide to the Birds of India ~ Bikram Grewal Christopher Helm Publishers Ltd Bikram Grewal |
| -5% | 15.56 | Caterpillar (Bug Books) ~ Karen Hartley - Philip Taylor - Chris MacRo Heinemann Karen Hartley - Philip Taylor - Chris MacRo |
| -2% | 40.09 | The Dissection of Vertebrates: A Laboratory Manual ~ Gerry DeIuliis - Dino Pulera Academic Press Gerry DeIuliis - Dino Pulera |
| -3% | 25.21 | Complete Waterfowl Studies: Geese and Swans ~ Bruce Burk Schiffer Publishing Bruce Burk |
| -3% | 30.59 | Australia's Mammal Extinctions: A 50,000-Year History ~ Chris Johnson Cambridge University Press Chris Johnson |
| -2% | 39.5 | Wild Tigers of Bandhavgarh ~ Iain Green Tiger Books Iain Green |
| -3% | 24 | The world of insects and arachnids (Great science adventures) ~ Dinah Zike Common Sense Press Dinah Zike |
| -5% | 14.61 | Cane Toads ~ Stephanie Lewis Doubleday Stephanie Lewis |
| -3% | 23.40 | The Great Sea-Serpent ~ A. C. Oudemans Coachwhip Publications A. C. Oudemans |
| -2% | 32.2 | Tadpoles: The Biology of Anuran Larvae ~ University Of Chicago Press |
| -9% | 8.22 | Humpback Whales (World Life Library) ~ Phil Clapham Voyageur Press Phil Clapham |
| -5% | 14.89 | Hands-On Nature: Information and Activities for Exploring the Environment w ~ Susan Sawyer Vermont Institute of Natural Science Susan Sawyer |
| -13% | 5 | Wildlife in the Garden: How to Live in Harmony With Deer, Raccoons, Rabbits ~ Gene Logsdon Indiana University Press Gene Logsdon |
| -15% | 4.25 | Backyard Pets: Activities for Exploring Wildlife Close to Home ~ Carol A. Amato Jossey-Bass Carol A. Amato |
| -10% | 6.50 | Born Free: A Lioness of Two Worlds ~ Joy Adamson Pantheon Joy Adamson |
| -2% | 43.06 | Coastal Marine Zooplankton: A Practical Manual for Students ~ Christopher D. Todd - M. S. Laverack - Geoff Boxshall Cambridge University Press Christopher D. Todd... |
| -12% | 5.25 | Bird Watching for Dummies ~ Bill, III Thompson For Dummies Bill, III Thompson |
| -1% | 71.09 | Marine Mammals: Evolutionary Biology ~ Annalisa Berta Academic Press Annalisa Berta |
| 175.79 | Avian Migration ~ Springer |
| -4% | 17.99 | Creatures of the Deep: In search of the sea's 'monsters' and the world they ~ Erich Hoyt Firefly Books Erich Hoyt |
| -13% | 4.91 | Why Don't Woodpeckers Get Headaches: And Other Answers to Bird Questions Yo ~ Mike O'Connor Beacon Press Mike O'Connor |
| -1% | 67.98 | The New Encyclopedia of Birds ~ Oxford University Press |
| -6% | 11.16 | The Stokes Purple Martin Book: The Complete Guide to Attracting and Housing ~ Donald Stokes - Lillian - Justin L. Brown Little, Brown and Company Donald Stokes - Lillian - Justin... |
| -4% | 18.93 | Dolphin Societies: Discoveries and Puzzles ~ University of California Press |
| -17% | 3.32 | British Columbia Birds: An Introduction to Familiar Species (Pocket Natural ~ James Kavanagh Waterford Press James Kavanagh |
| -9% | 6.97 | Systematics of Anopina Obraztsov (Lepidoptera Tortricidae: Euliini) ~ John W. Brown - Jerry A. Powell University of California Press John W. Brown - Jerry A. Powell |
| -4% | 16.79 | Man The Hunted: Primates, Predators, and Human Evolution ~ Donna Hart - Robert W. Sussman Westview Press Donna Hart - Robert W. Sussman |
| -3% | 21.95 | Birds of Southern Africa (Princeton Field Guides) ~ Ian Sinclair - Phil Hockey - Warwick Tarboton Princeton University Press Ian Sinclair - Phil Hockey ... |
| -4% | 17 | Birds of the World: A Photographic Guide ~ Firefly Books |
| -3% | 21.9 | Raptors: The Birds of Prey ~ Scott Weidensaul Lyons Pr Scott Weidensaul |
| -7% | 8.99 | Snake Lovers' Lifelist and Journal ~ Chris Scott University of Texas Press Chris Scott |
| -5% | 13.72 | Smithsonian Handbooks: Birds of New England (Smithsonian Handbooks) ~ DK Publishing - III, Fred J. Alsop DK ADULT DK Publishing - III, Fred J. Alsop |
| -14% | 4.17 | Frogs, Toads, and Turtles (Take-Along Guide) ~ Diane L. Burns Northword Press Diane L. Burns |
| -5% | 12.51 | Animal Architects: Building and the Evolution of Intelligence ~ James L. Gould - Carol Grant Gould Basic Books James L. Gould - Carol Grant Gould |
| -4% | 18.15 | Wild Guide British Wildlife (Collins Wild Guide) ~ HarperCollins Publishers Limited HarperCollins Publishers Limited HarperCollins Publishers Limited |
| -18% | 2.91 | Grizzly ~ Michio Hoshino Chronicle Books Michio Hoshino |
| -18% | 2.99 | The Birdwatcher's Companion: Winged Wonders, Fantastic Flocks and Outstandi ~ Malcolm Tait - Olive Tayler Robson Books, Limited Malcolm Tait - Olive Tayler |
| -1% | 78.95 | Cornell Lab of Ornithology Handbook of Bird Biology ~ Cornell Laboratory of Ornithology Princeton University Press Cornell Laboratory of Ornithology |
| -5% | 11.19 | Do Animals Think? ~ Clive D. L. Wynne Princeton University Press Clive D. L. Wynne |
| -4% | 15.35 | Pete Dunne's Essential Field Guide Companion: A Comprehensive Resource for ~ Peter Dunne Houghton Mifflin Peter Dunne |
| -6% | 11 | A Field Guide to Freshwater Fishes : North America North of Mexico (Peterso ~ Brooks M. Burr - Lawrence M. Page Houghton Mifflin Brooks M. Burr - Lawrence M. Page |
| -1% | 61.63 | Pacific Salmon: Life Histories ~ G. Groot UBC Press G. Groot |
| -6% | 10.34 | A Systematic Review of the Ectemnius (Hymenoptera: Sphecidae) of Hawaii (Un ~ Raina L. Takumi University of California Press Raina L. Takumi |
| -2% | 31.98 | Raptors of Western North America: The Wheeler Guides ~ Brian K. Wheeler Princeton University Press Brian K. Wheeler |
| -7% | 7.96 | Ancient Egyptian Animals (British Museum Pocket Dictionaries) ~ Angela McDonald British Museum Press Angela McDonald |
| -1% | 42.43 | A Guide to the Birds of Colombia ~ Steven L. Hilty - William L. Brown Princeton University Press Steven L. Hilty - William L. Brown |
| -2% | 33.46 | Biology of Amphibians ~ William E. Duellman - Linda Trueb The Johns Hopkins University Press William E. Duellman - Linda Tru... |
| -1% | 112.32 | The Bees of the World ~ Charles D. Michener The Johns Hopkins University Press Charles D. Michener |
| -1% | 68.43 | PRIMATE TAXONOMY (Smithsonian Series in Comparative Evolutionary Biology) ~ Groves C Smithsonian Groves C |
| -6% | 10.00 | Sailing With Noah: Stories from the World of Zoos ~ Jeffrey P. Bonner University of Missouri Press Jeffrey P. Bonner |
| -17% | 3 | The Astonishing Elephant ~ Shana Alexander Random House Shana Alexander |
| -10% | 5.45 | Parrots: A Natural History ~ John Sparks - Tony Soper Facts on File John Sparks - Tony Soper |
| -5% | 11.56 | A Field Guide to Common Texas Insects (Gulf's Field Guide Series,) ~ Bastiaan M. Drees Gulf Publishing Bastiaan M. Drees |
| -5% | 10.37 | A Photographic Guide to Tracks and Tracking in Southern Africa (Photographi ~ Louis Liebenberg New Holland Publishers, Louis Liebenberg |
| -3% | 20 | In Search of the Golden Frog ~ Marty Crump University Of Chicago Press Marty Crump |
| -5% | 12.56 | A Keeper of Bees: Notes on Hive and Home ~ Allison Wallace Random House Allison Wallace |
| -3% | 18.03 | The Making of Bigfoot: The Inside Story ~ Greg Long Prometheus Books Greg Long |
| -5% | 11.43 | Giant Pandas (Wildlife Monographs) ~ Heather Angel Evans Mitchell Books Heather Angel |
| -1% | 48.84 | Field Guide to Freshwater Fishes of Australia ~ Gerald R. Allen - S. H. Midgley - M. Allen Western Australian Museum Gerald R. Allen - S. H. Midgley... |
| -5% | 10.35 | A Photographic Guide to Mammals of South-east Asia (Photoguides) ~ Charles M. Francis New Holland Publishers Ltd Charles M. Francis |
| -3% | 21.91 | The World's Most Beautiful Seashells (Worlds Most Series) ~ Leonard C. Hill Carmichael & Carmichael Leonard C. Hill |
| 162.06 | Early Life History of Fish: An energetics approach (Fish & Fisheries Series) ~ E. Kamler Springer E. Kamler |
| -3% | 20.13 | The Myth of Wild Africa: Conservation Without Illusion ~ Jonathan S. Adams - Thomas O. McShane University of California Press Jonathan S. Adams - Thomas O. M... |
| -1% | 52.54 | From Individual Behaviour to Population Ecology (Oxford Series in Ecology a ~ William J. Sutherland Oxford University Press, USA William J. Sutherland |
| -6% | 8.21 | John James Audubon: The Making of an American ~ Richard Rhodes Vintage Richard Rhodes |
| -2% | 26.47 | Foundations of Animal Behavior: Classic Papers with Commentaries ~ University Of Chicago Press |
| -2% | 22.84 | Florida Butterfly Gardening: A Complete Guide to Attracting, Identifying, a ~ Marc C. Minno - Maria Minno University Press of Florida Marc C. Minno - Maria Minno |
| -2% | 23.39 | Collins Bird Guide ~ Lars Svensson - Peter J. Grant Collins Lars Svensson - Peter J. Grant |
| -2% | 20.17 | Birds of Southeast Asia (Princeton Field Guides) ~ Craig Robson Princeton University Press Craig Robson |
| -8% | 5.99 | Menagerie Manor ~ Gerald Durrell Penguin (Non-Classics) Gerald Durrell |
| -5% | 9.98 | Smithsonian Book of Giant Pandas ~ Susan Lumpkin - John Seidensticker Smithsonian Institution Press Susan Lumpkin - John Seidensticker |
| -1% | 39.53 | Texas Snakes: Identification, Distribution, and Natural History ~ John E., Werler - James R. Dixon University of Texas Press John E., Werler - James R. Dixon |
| -5% | 9.99 | The Animal-Speak Workbook ~ Ted Andrews Dragonhawk Publishing Ted Andrews |
| -5% | 10.25 | Evolution's Rainbow: Diversity, Gender, and Sexuality in Nature and People ~ Joan Roughgarden University of California Press Joan Roughgarden |
| -2% | 29.47 | Biology of Amphibians ~ William E. Duellman - Linda Trueb The Johns Hopkins University Press William E. Duellman - Linda Tru... |
| -2% | 19.72 | Prairie Ghost: Pronghorn and Human Interaction in Early America ~ Richard E. McCabe - Bart W. O'Gara - Henry M. Reeves University Press of Colorado Richard E. McCabe ... |
| -2% | 20 | Adventures in the Bone Trade: The Race to Discover Human Ancestors in Ethio ~ Jon Kalb Springer Jon Kalb |
| -6% | 7.97 | Squirrels: A Wildlife Handbook (Johnson Nature Series) ~ Kim Long Johnson Books Kim Long |
| -5% | 9.99 | Animal Kingdoms: Wildlife Sanctuaries of the World ~ Natl Geographic Society |
| -6% | 7.35 | Return of the Condor: The Race to Save Our Largest Bird from Extinction ~ John Moir The Lyons Press John Moir |
| -2% | 32.22 | Bull's Birds of New York State (Comstock Book) ~ Cornell University Press |
| -25% | 1.5 | Outside Inside ~ Kathleen Fain Chronicle Books Kathleen Fain |
| -1% | 47.5 | John James Audubon: The watercolors for The birds of America ~ John James Audubon New-York Historical Society John James Audubon |
| -2% | 28.5 | Wild Things ~ Michael McIntosh Countrysport Press Michael McIntosh |
| -20% | 2 | Return of the Eagle: How America Saved Its National Symbol ~ Greg Breining Falcon Greg Breining |
| -6% | 7.47 | Stonehenge ~ John North Free Press John North |
| -5% | 9.25 | The Ruby-throated Hummingbird (Corrie Herring Hooks Series) ~ June Osborne University of Texas Press June Osborne |
| -1% | 36.50 | Bio-Architecture, First Edition ~ Javier Senosiain Architectural Press Javier Senosiain |
| -9% | 4.85 | Tupai: A Field Study of Bornean Treeshrews (Organisms and Environments) ~ Louise H. Emmons University of California Press Louise H. Emmons |
| -2% | 22.92 | Parrot Culture: Our 2500-Year-Long Fascination With the World's Most Talkat ~ Bruce Thomas Boehrer University of Pennsylvania Press Bruce Thomas Boehrer |
| -3% | 18.99 | The Sibley Guide to Birds ~ David Allen Sibley Knopf David Allen Sibley |
| 103.66 | Social Learning In Animals: The Roots of Culture ~ Academic Press |
| -3% | 15.95 | Gunsmithing: Pistols & Revolvers ~ Patrick Sweeney Krause Publications Patrick Sweeney |
| -8% | 5.5 | New Worlds, New Animals: From Menagerie to Zoological Park in the Nineteent ~ The Johns Hopkins University Press |
| -1% | 66.32 | Marine Fisheries Ecology ~ Simon Jennings - John Reynolds - Michel J. Kaiser Blackwell Publishing Limited Simon Jennings - John... |
| -2% | 28.00 | Where to Watch Birds in Mexico (Where to Watch Birds) ~ Steve N.G. Howell Christopher Helm Publishers Ltd Steve N.G. Howell |
| -17% | 2.3 | Southwestern Butterflies: An Introduction to Familiar Species (Pocket Natur ~ James Kavanagh Waterford Press James Kavanagh |
| -16% | 2.5 | The Bird Watcher's Bible (Doubleday Outdoor Bibles) ~ George Laycock Doubleday George Laycock |
| 186.6 | Ecophysiology of Amphibians Inhabiting Xeric Environments (Adaptations of D ~ Michael Warburg Springer Michael Warburg |
| -1% | 40.27 | Gorilla: Struggle for Survival in the Virungas ~ George B. Schaller Aperture George B. Schaller |
| -4% | 11.12 | Born Free the complete 3 part text ~ Joy Adamson Pan Macmillan Joy Adamson |
| -4% | 10.67 | True Grizz: Glimpses of Fernie, Stahr, Easy, Dakota, and Other Real Bears i ~ Douglas H. Chadwick Sierra Club Books Douglas H. Chadwick |
| -1% | 36.59 | Spiders of the World (Of the World) ~ Rod Preston-Mafham - Ken Preston-Mafham Facts on File Rod Preston-Mafham - Ken Preston-Mafham |
| -3% | 15.99 | Biological Anthropology: An Introductory Reader ~ Michael Alan Park McGraw-Hill Humanities/Social Sciences/Languages Michael Alan Park |
| -23% | 1.5 | The Bird Watcher's Diary ~ E. M. Reilly - Gorton Carruth HarperCollins Publishers E. M. Reilly - Gorton Carruth |
| -3% | 12.50 | Bird Signs: Guidance and Wisdom from Our Feathered Friends (Book & Cards) ~ G.G. Carbone New World Library G.G. Carbone |
| -3% | 15.45 | Prairie Dog Town/a Pop-Up Book: A Pop-Up Book (One Very Small Square) ~ Donald M. Silver W H Freeman & Co (Sd) Donald M. Silver |
| -1% | 34.50 | Dr. Burgess's Mini-Atlas of Marine Aquarium Fishes ~ Warren E. Burgess - Herbert R. Axelrod - Ray Hunziker TFH Publications Warren E. Burgess - Herbert R... |
| -8% | 5.50 | You Can Save the Animals: 251 Simple Ways to Stop Thoughtless Cruelty ~ Ingrid Newkirk Prima Lifestyles Ingrid Newkirk |
| -2% | 19.5 | A Field Guide to the Birds: Of Eastern and Central North America (Peterson ~ Roger Tory Peterson Institute Houghton Mifflin (P) Roger Tory Peterson Institute |
| -3% | 14.04 | Butterflies through Binoculars: The West A Field Guide to the Butterflies o ~ Jeffrey Glassberg Oxford University Press, USA Jeffrey Glassberg |
| -7% | 5.55 | Why Pandas Do Handstands: And Other Curious Truths About Animals ~ Augustus Brown Free Press Augustus Brown |
| -2% | 24.50 | Mustang (American Wildlife in American Spaces) ~ Sharon Curtin - Yva Momatiuk - John Eastcott Rufus Publications Sharon Curtin - Yva Momatiuk - John ... |
| -7% | 5.55 | First Flight: A Mother Hummingbird's Story ~ Don Carroll - Noriko Carroll Andrews McMeel Publishing Don Carroll - Noriko Carroll |
| -4% | 11.55 | Gorillas in the Mist ~ Dian Fossey Phoenix (an Imprint of The Orion Publishing Group Ltd ) Dian Fossey |
| -1% | 57.5 | Introduction to Insect Biology and Diversity ~ Howell V. Daly - John T. Doyen - Alexander H. Purcell Oxford University Press, USA Howell V. Daly - ... |
| -1% | 46.69 | HUMMINGBIRDS NA 2E ~ JOHNSGARD PAUL A Smithsonian JOHNSGARD PAUL A |
| -5% | 7.68 | Birdwatcher's Three-Year Record Book ~ John Hills Swan Hill Press John Hills |
| -7% | 5.95 | Alaska's Seashore Creatures: A Guide to Selected Marine Invertebrates (Alas ~ Alaska Northwest Books |
| -8% | 5.25 | Whitetail Country ~ John Ozoga Northword Pr John Ozoga |
| -2% | 16.81 | Wildlife Gardens (Gardening) ~ Lori Kinstad Pupeza Checkerboard Books Lori Kinstad Pupeza |
| -1% | 32.35 | Field Guide to the Mammals of the Kruger National Park (Field Guide) ~ Heike Schutze Struik Publishers Heike Schutze |
| -1% | 27.92 | Salmon, Trout and Charr of the World ~ Watson Voyageur Press Watson |
| -2% | 19.5 | And No Birds Sing: The Story of an Ecological Disaster in a Tropical Paradise ~ Mark Jaffe Simon & Schuster Mark Jaffe |
| -8% | 4.99 | Whale Watcher: A Global Guide to Watching Whales, Dolphins, and Porpoises i ~ Trevor Day Firefly Books Trevor Day |
| -1% | 29.49 | Forensic Anthropology: The Growing Science of Talking Bones (Science and Te ~ Peggy Thomas Facts on File Peggy Thomas |
| -3% | 14.82 | Animal Rights & Human Morality ~ Bernard E. Rollin Prometheus Books Bernard E. Rollin |
| -5% | 7.2 | For the Birds: Creating a Sanctuary : A Guide to Feeding, Housing and Watch ~ Willard Scott Meredith Books Willard Scott |
| 108.35 | Principles of Wildlife Management ~ James A. Bailey Wiley James A. Bailey |
| -10% | 3.6 | Hosting the Birds: How to Attract Birds to Nest in Your Yard ~ Jan Mahnken Storey Books Jan Mahnken |
| -6% | 6.65 | Stokes Hummingbird Book : The Complete Guide to Attracting, Identifying, an ~ Donald Stokes - Lillian Little, Brown and Company Donald Stokes - Lillian |
| -3% | 12.15 | Rspb Guide to British Birds (Rspb) ~ Peter Holden - J. T. R. Sharrock Pan Books Peter Holden - J. T. R. Sharrock |
| -2% | 17.14 | Trapping Wild Animals In Malay Jungles ~ Charles Mayer Kessinger Publishing Charles Mayer |
| -24% | 1.19 | The Catfish Book ~ Linda Crawford Univ Pr of Mississippi (Trd) Linda Crawford |
| -1% | 27.61 | Complete Waterfowl Studies: Dabbling and Whistling Ducks ~ Bruce Burk Schiffer Publishing Bruce Burk |
| 76.90 | Mouse Phenotypes: A Handbook of Mutation Analysis ~ Virginia E. Papaioannou - Richard R. Behringer Cold Spring Harbor Laboratory Press Virginia E. Papai... |
| 156.1 | Bird Nests and Construction Behaviour ~ Mike Hansell Cambridge University Press Mike Hansell |
| -5% | 6.64 | Stokes Butterfly Book : The Complete Guide to Butterfly Gardening, Identifi ~ Donald Stokes - Lillian - Ernest Williams Little, Brown and Company Donald Stokes - Lillian - Ernest... |
| -33% | 0.75 | The Complete Book of Birdhouse Construction for Woodworkers ~ Scott D. Campbell Dover Publications Scott D. Campbell |
| -8% | 4.00 | About Birds: A Guide for Children ~ Cathryn Sill Peachtree Publishers Cathryn Sill |
| -2% | 19.4 | The Safari Companion: A Guide to Watching African Mammals Including Hoofed ~ Richard D. Estes Chelsea Green Publishing Company Richard D. Estes |
| -2% | 14.18 | The Otter Spirit: A National History Story ~ Judith K. Berg Ulyssian Publications Judith K. Berg |
| -4% | 7.65 | The Backyard Birder's Journal ~ Howard Blume Random House, Inc. Howard Blume |
| -3% | 11.44 | Nature a Day at a Time: An Uncommon Look at Common Wildlife (Sierra Club Bo ~ Cathie Katz Sierra Club Books Cathie Katz |
| -4% | 8.73 | Florida's Fabulous Butterflies & Moths (Florida's Fabulous Series Vol 2) ~ Thomas C. Emmel World Publications (CA) Thomas C. Emmel |
| -3% | 13.2 | Big-Game Taxidermy: A Complete Guide to Deer, Antelope, and Elk ~ Todd Triplett The Lyons Press Todd Triplett |
| -7% | 4.32 | Butterflies (Peterson Field Guides Color-In Books) ~ Robert Michael Pyle Houghton Mifflin Robert Michael Pyle |
| -2% | 21.63 | Nature Revealed: Selected Writings, 1949-2006 ~ Edward O. Wilson The Johns Hopkins University Press Edward O. Wilson |
| -1% | 42.95 | Exploring Animal Behavior in Laboratory and Field: An Hypothesis-testing Ap ~ Bonnie J. Ploger - Ken Yasukawa Academic Press Bonnie J. Ploger - Ken Yasukawa |
| -16% | 1.79 | Reptiles and Amphibians ~ Ryu Uchiyama Chronicle Books Ryu Uchiyama |
| 156.25 | The Identification of Worker Castes of Termite Genera from Soils of Africa ~ W. A. Sands CABI Publishing W. A. Sands |
| -3% | 11.99 | Animal-Speak: Understanding Animal Messengers, Totems, and Signs ~ Ted Andrews Sounds True Ted Andrews |
| -4% | 7.58 | Tom Brown's Field Guide to Nature Observation and Tracking (Tom Brown's Fie ~ Tom Brown Berkley Trade Tom Brown |
| -1% | 22.65 | Pheasant Tales ~ Countrysport Press Countrysport Press Countrysport Press |
| -1% | 23.23 | The Yowie: In Search of Australia's Bigfoot ~ Tony Healy - Paul Cropper Anomalist Books Tony Healy - Paul Cropper |
| -3% | 11.23 | Wonderful Nature, Wonderful You ~ Karin Ireland Dawn Publications (CA) Karin Ireland |
| 70.37 | Biology of the Ubiquitous House Sparrow: From Genes to Populations ~ Ted R. Anderson Oxford University Press, USA Ted R. Anderson |
| -2% | 14.35 | California Grizzly ~ Tracy I. Storer - Lloyd P. Tevis University of California Press Tracy I. Storer - Lloyd P. Tevis |
| -1% | 36 | Fishes Of The Middle Savannah River Basin: With Emphasis On The Savannah Ri ~ Barton C. Marcy - Dean E. Fletcher - F. Douglas Martin - Michael H. Paller - Marcel J. M. Reichert U... |
| -8% | 3.88 | 1001 Questions Answered About the Seashore ~ N. J. Berrill - Jacquelyn Berrill Dover Publications N. J. Berrill - Jacquelyn Berrill |
| -1% | 54.24 | The Amphibians and Reptiles of Costa Rica: A Herpetofauna between Two Conti ~ Jay M. Savage University Of Chicago Press Jay M. Savage |
| -5% | 5.42 | Animal Rights: A Very Short Introduction (Very Short Introductions) ~ David DeGrazia Oxford University Press, USA David DeGrazia |
| -8% | 3.59 | The Birds Around Us/05630 ~ Alice E. Mace Ortho Books Alice E. Mace |
| -2% | 13.69 | Sharks ~ Andrea Ferrari - Antonella Ferrari Firefly Books Andrea Ferrari - Antonella Ferrari |
| -2% | 16.56 | Birds And Birding at Cape May ~ Clay Sutton - Pat Sutton Stackpole Books Clay Sutton - Pat Sutton |
| -2% | 13.01 | Andre ~ Lew Dietz Audio Bookshelf Lew Dietz |
| -4% | 7.2 | Wolf ~ Maureen Greeley MetroBooks (NY) Maureen Greeley |
| -2% | 16.47 | Butterflies through Binoculars: The West A Field Guide to the Butterflies o ~ Jeffrey Glassberg Oxford University Press, USA Jeffrey Glassberg |
| 141.08 | Atlas of European Trichoptera/ Atlas der Europäischen Köcherfliegen/ Atlas ~ Hans Malicky Springer Hans Malicky |
| -3% | 9.76 | The Treasure Hunter's Gem & Mineral Guides to the U.S.A.: Northeast States ~ Kathy J. Rygle - Stephen F. Pedersen Gemstone Press Kathy J. Rygle - Stephen F. Pedersen |
| -1% | 22.68 | Collins Bird Guide ~ Lars Svensson - Peter J. Grant Collins Lars Svensson - Peter J. Grant |
| -3% | 10.2 | In the Company of Animals: A Study of Human-Animal Relationships (Canto ori ~ James Serpell Cambridge University Press James Serpell |
| -1% | 48.4 | The Garter Snakes: Evolution and Ecology (Animal Natural History Series, Vol 2) ~ Douglas A. Rossman - Neil B. Ford - Richard A. Seigel University of Oklahoma Press Douglas A. Rossma... |
| 83.66 | The Biology of Sea Turtles, Volume II ~ CRC |
| -3% | 8.32 | Snails (Little Nippers: Creepy Creatures) ~ Monica Hughes Heinemann Library Monica Hughes |
| -1% | 25 | Entomology ~ Cedric Gillott Springer Cedric Gillott |
| -1% | 24.5 | SMITHSONIAN BK NATL WILDLIFE ~ Eric Jay Dolin Smithsonian Eric Jay Dolin |
| -1% | 33.75 | Field Guide to the Birds of Australia (Helm Field Guides) ~ Ken Simpson - Nicolas Day Christopher Helm Publishers Ltd Ken Simpson - Nicolas Day |
| -2% | 13.08 | The Embracing Woods: A Book For Fathers To Give Their Sons ~ Richard Lee Fulgham Lulu.com Richard Lee Fulgham |
