Winter World, The Ingenuity of Animal Survival, HarperCollins, Bernd Heinrich,General and world history,History, animals; animal behavior; birds; biology; ecology; environment; hibernation; natural history; nature writing; nature; science nature; science; seasons; survival; wildlife; winter; zoology; naturalist; cold; bernd; heinrich; york; times; nyt; lover; present; student; educator,, , United States, en-UShttps://www.harpercollins.comanimals; animal behavior; birds; biology; ecology; environment; hibernation; natural history; nature writing; nature; science nature; science; seasons; survival; wildlife; winter; zoology; naturalist; cold; bernd; heinrich; york; times; nyt; lover; present; student; educator, [BLURB],[CITY],,books, ebooks, biblet, Book2look