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The Migrations of Hawks

Heintzelman, Donald S.
The Migrations of Hawks
There are forty species of hawks in North America, including vultures, the California condor, and the bald eagle, our national bird. Heintzelman'smonumental study is a comprehensive survey of what we know about the migrations ofthese magnificent birds in North America, Central America, and the West Indies.After a general introduction on migration season, speeds, and methodology, elevendetailed chapters survey migration routes and statistics in...

CHF 54.50

Hawks and Owls of Eastern North America

Heintzelman, Donald S.
Hawks and Owls of Eastern North America
Hawks and owls, or raptors, as they are sometimes called, are charismatic birds. Ranging in size from the majestic bald eagle to the tiny northern saw-whet owl, these fascinating creatures occupy forests, woodlots, fields, and wetlands, as well as urban parks and tree-lined city streets. The adventurous peregrine falcon has even been spotted on the cliff-like skyscrapers and tall bridges of New York City and Philadelphia. Raptors are all aroun...

CHF 57.90