Biology
Featured Species
Arizona Woodpecker (Leuconotopicus arizonae)
Featured Content
Overview The Green Jay (Cyanocorax yncas) is a passerine (order Passeriformes) species of bird (class A...
Sweetgum (Liquidambar styraciflua) is a species of the class Magnoliopsida in the family Altingiaceae and order Saxifragale...
Western Fence Lizard (Sceloporus occidentalis) is a species of the class Reptilia (Reptiles) in the family Phrynosomatidae ...
Red-and-green Macaw (Ara chloropterus) is a species of the class Aves (Birds) in the family Psittacidae (New World and Afri...
California Poppy (Eschscholzia californica) is a species of the class Magnoliopsida in the family Papaveraceae (Poppies) an...
Hutton's Vireo (Vireo huttoni) is a species of the class Aves (Birds) in the family Vireonidae (Vireos, Shrike-Babblers, an...
Recent Content
Leiothlypis luciae
Selasphorus platycercus
Centaurea solstitialis
Amelanchier alnifolia
Dasyfidonia avuncularia
Setophaga petechia
Callistemon citrinus
Fouquieria splendens
Aspidoscelis velox
Featured Illustrations
Coal Tit
Gang-gang Cockatoo
Scarlet Robin
Galleries
Gallery of Butterflies and Moths
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.
