| Audubon: Early Drawings | Harvard University Press | 15 USD | 125 USD | −88% |
| Close to Birds: An Intimate Look at Our Feathered Friends | Roost Books | 17 USD | 39.95 USD | −57.4% |
| Birds of Colombia [used flexi] | Lynx Nature Books | 36 USD | 71.95 USD | −50% |
| The Sibley Field Guide to Birds of Western North America, Second edition [used] | Random House | 13 USD | 25 USD | −48% |
| The Merlin [first edition] | Snowfinch Publishing | 35 USD | 65 USD | −46.2% |
| The Backyard Bird Chronicles [used] | Knopf | 20 USD | 36 USD | −44.4% |
| The Shorebird Guide [used] | HarperCollins | 14 USD | 24.95 USD | −43.9% |
| The Crossley ID Guide: Eastern Birds [used] | Princeton University Press | 20 USD | 35 USD | −42.9% |
| Hansen's Field Guide to the Birds of the Sierra Nevada [used] | Heyday Books | 16 USD | 28 USD | −42.9% |
| The Complete Merlin: The Merlin & Red-headed Falcon in Falconry | Western Sporting | 40 USD | 69.95 USD | −42.8% |
| Bird Talk: Hilariously Accurate Ways to Identify Birds by the Sounds They Make [used] | Storey Publishing | 9.99 USD | 16.99 USD | −41.2% |
| Latin for Bird Lovers: Over 3,000 Bird Names Explored and Explained | Timber Press | 14.95 USD | 24.95 USD | −40.1% |
| Bird Photographer of the Year: Collection 9 [used] | Princeton University Press | 21 USD | 35 USD | −40% |
| Birds of the Tropical Andes [used] | Princeton University Press | 21 USD | 35 USD | −40% |
| Falcons of North America, Second Edition | Mountain Press | 19 USD | 28 USD | −32.1% |
| Wings for My Flight: The Peregrine Falcons of Chimney Rock [Updated Edition] | University of New Mexico Press | 17 USD | 24.95 USD | −31.9% |
| The Birds That Audubon Missed: Discovery and Desire in the American Wilderness [used] | Simon & Schuster | 15 USD | 20 USD | −25% |
| Flight of the Godwit: Tracking Epic Shorebird Migrations [used] | Smithsonian Books | 21 USD | 27.95 USD | −24.9% |
| The Story of Birds: A New History from Their Dinosaur Origins to the Present [used] | Mariner Books | 27 USD | 35 USD | −22.9% |
| The Feather Wars: and the Great Crusade to Save America's Birds [used] | St. Martins Press | 28 USD | 33 USD | −15.2% |
| The Return of the Oystercatcher: Saving Birds to Save the Planet [damaged] | W.W. Norton | 28.99 USD | 32.99 USD | −12.1% |
| Vulture: The Private Life of an Unloved Bird | Brandeis University Press | 22.95 USD | 24.95 USD | −8% |
| Life Histories of North American Birds | Smithsonian Institution | 750 USD | — | — |
| The Peregrine | Harper & Row | 120 USD | — | — |
| Pigeons and Doves: A Guide to the Pigeons and Doves of the World | Yale University Press | 99 USD | — | — |
| Aves do Brasil: Uma Visao Artística (Birds of Brazil: An Artistic View) | Avis Brasilis | 95 USD | — | — |
| A Gallery of East African Birds | Camerapix Publishers International | 79 USD | — | — |
| Birds in a Garden City: Celebrating 60 Years of the Photographic Society of Singapore | Photographic Society of Singapore | 75 USD | — | — |
| Arizona and its Bird Life | The Bird Research Foundation | 65 USD | — | — |
| National Geographic Birder's Atlas of the World [pre-order] | National Geographic | 65 USD | — | — |