An Identification Guide
De som köpt den här boken har ofta också köpt Co-Intelligence av Ethan Mollick (häftad).
Köp båda 2 för 483 krHummingbirds may be the smallest birds in the world, but they have the biggest appetites. Their wings flutter on average fifty to eighty times each second as they visit hundreds of flowers over the course of a day to sip the sweet nectar that sust...
George C. West provides a simple and quick guide written especially for amateur plant lovers, nature enthusiasts, interested hikers, tourists, and botanists who want to learn more about the plants of the White Mountains in east-central Arizona. Th...
"In this beautiful book George West explains simply and clearly how to identify species, age, and sex of hummingbirds. He shares with us the knowledge and images garnered from years of studying, banding, photographing, and drawing these tiny, beautiful, and charismatic acrobats of the avian world."--Jean Palumbo, Northern Arizona University "This guide is . . . filled with information, photos, and other illustrations. It should prove to be very handy, especially in locations where multiple hummingbird species are possible."--The Birder's Library "Illustrated with full color artwork or photographs on virtually every page, North American Hummingbirds: An Identification Guide is a gorgeous, user-friendly reference and resource."--Midwest Book Review "Identifying hummingbirds can be tricky: Sometimes the little speedballs just look like blurs of color. But zoologist George West makes it easier with his new guide, which provides detailed references and illustrations for all 17 species of North American hummers--plus information on eight rarities."--Audubon "Exquisitely illustrated and informative."--Arizona Daily Star "A valuable resource for anyone trying to keep tabs on visitors at a feeding station."--BirdWatching "North American Hummingbirds is an attractive book with copious photographs and illustrations of the creatures that often appear to the uninitiated as tiny, colorful blurs. . . . Anyone interested in identifying hummingbirds will find this lovely book indispensable."--American Reference Books Annual
George C. West is a zoologist who is an expert on the physiology and ecology of birds. He is a professor emeritus of zoophysiology at the University of Alaska Fairbanks, USA, and the author of more than one hundred scientific papers, as well as the coauthor of Do Hummingbirds Hum? Fascinating Answers to Questions about Hummingbirds and other books. He lives in Green Valley, Arizona.