Approximately 3,600 bird species occur in the 21 countries of mainland Central and South America, of which 290 are listed as threatened. Taking a country-by-cou

Extinct Birds was the first comprehensive review of the hundreds of the bird species and subspecies that have become extinct over the last 1,000 years of habita

Thrushes, warblers, vireos, and tanagers are probably the most familiar of the Neotropical migrants--birds that breed in the United States and Canada, then jour