[Pet Health Admin]

A comprehensive and authoritative guide to the fascinating mysteries of bird migration.
Every year, billions of birds leave their North American breeding grounds for winter quarters farther south. That so many birds migrate so many miles, through life-threatening conditions, and to the same place each year, is simply stunning.
The editor of this important and lavishly illustrated new book has selected a cross-section of both the most typical and the most interesting migrants. Colorful maps, photographs, calendars and fact files, with easy-to-read symbols and abbreviations, present an accurate and up-to-date profile of each species.
The introduction provides comprehensive background on migration and its great mystery: how do the birds know where to go? The latest scientific discoveries are explained here.
The bulk of the book is the directory, which chronicles the routes of more than 500 species, including:

• North American birds of prey
• Hummingbirds, grosbeaks and starlings
• Eurasian shorebirds, storks and cranes
• Winter visitors from the Far North, such as swans, geese and finches
• African, South American and Australasian migrants
• Migratory sea birds, such as penguins, albatrosses and terns.

The results of new satellite tracking methods are covered, as are current environmental threats and conservation initiatives. The book closes with a comprehensive catalog of migrating species from all continents.



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