The biology and diversity of birds

General ornithology

The following external web sites provide basic information about birds.

• Bird Families of the World
• AOU Check-list of North American Birds
• AOU Check-list of South American birds
• Cornell Laboratory of Ornithology
• Sibley Guides

Specialized sites

The following external web sites provide information about particular species or groups of birds.

• The albatross project
• El cuitlacoche de Cozumel: Toxostoma guttatum, the endemic thrasher of Cozumel Island
• Darwin's Mockingbirds: the endemic mockingbirds of the Galápagos
• Hummingbirds.net
• Kirtland's Warbler festival