Biology
Featured Species
Lesser Violetear (Colibri cyanotus)
Featured Content
White-breasted Nuthatch (Sitta carolinensis) is a species of the class Aves (Birds) in the family Sittidae (Nuthatches) and...
Turkey Vulture (Cathartes aura) is a species of the class Aves (Birds) in the family Cathartidae (New World Vultures) and o...
Overview The Lark Bunting (Calamospiza melanocorys) is a passerine (order Passeriformes) species of bir...
Black-necked Stilt (Himantopus mexicanus) is a species of the class Aves (Birds) in the family Recurvirostridae (Stilts and...
Palm Tanager (Thraupis palmarum) is a species of the class Aves (Birds) in the family Thraupidae (Tanagers and Allies) and ...
Overview The Green Aracari (Pteroglossus viridis) is a species of Toucan (family Ramphastidae) in the o...
Recent Content
Buteo jamaicensis
Tyrannus forficatus
Ardea alba
Numenius americanus
Tringa semipalmata
Alopochen aegyptiaca
Egretta thula
Mareca penelope
Myioborus pictus
Featured Illustrations
Caspian Gull
Western Yellow Wagtail
Little Grebe
Galleries
Gallery of Butterflies
Gallery of California Plants
Gallery of California Wildflowers
Gallery of Dragonflies
Gallery of Frogs
Gallery of Hummingbirds
Gallery of Woodpeckers
Lists
Commonly observed birds in United States
A list of the domains of life.
A list of the kingdoms of life.
