The Tree by Colin TudgeThe Hidden Life of Trees by Peter WohllebenThe Wild Trees by Richard   PrestonA Walk in the Woods by Bill BrysonThe Golden Spruce by John Vaillant
Deciduous and Coniferous Forests
237 books — 27 voters
Salt by Mark KurlanskyCod by Mark KurlanskyThe Botany of Desire by Michael PollanAn Edible History of Humanity by Tom StandageFour Fish by Paul   Greenberg
Food & Drink Histories (nonfiction)
195 books — 43 voters

Harry Potter and the Chamber of Secrets by J.K. RowlingJonathan Livingston Seagull by Richard BachThe Hobbit, or There and Back Again by J.R.R. TolkienBeak of the Moon by Philip TempleThe Capture by Kathryn Lasky
Birds as Characters in Fiction
85 books — 26 voters

Mind of the Raven by Bernd HeinrichIn the Company of Crows and Ravens by John M. MarzluffCrow Planet by Lyanda Lynn HauptRavens in Winter by Bernd HeinrichCrow by Boria Sax
Non-Fiction: Crows & Ravens
21 books — 29 voters
Harry Potter and the Sorcerer's Stone by J.K. RowlingHarry Potter and the Prisoner of Azkaban by J.K. RowlingThe Owl and the Pussycat by Edward LearWesley the Owl by Stacey O'BrienThe Capture by Kathryn Lasky
Owls
223 books — 85 voters

Beak of the Moon by Philip TempleAlex & Me by Irene M. PepperbergBudgerigar by Sarah HarrisThe Last Flight of the Scarlet Macaw by Bruce BarcottOf Parrots and People by Mira Tweti
Books for Parrot Lovers
85 books — 18 voters
H is for Hawk by Helen MacdonaldThe Genius of Birds by Jennifer AckermanWesley the Owl by Stacey O'BrienThe Wild Birds by Emily StrelowThe Life of Birds by David Attenborough
Books for Bird Lovers
527 books — 208 voters