Biology
Featured Species
California Buckeye (Aesculus californica)
Featured Content
Fasciated Antshrike (Cymbilaimus lineatus) is a species of the class Aves (Birds) in the family Thamnophilidae (Typical Ant...
Red Admiral (Vanessa atalanta) is a species of the class Insecta (Insects) in the family Nymphalidae (Brushfooted Butterfli...
Alpine-rose (Rhododendron ferrugineum) is a species of the class Magnoliopsida in the family Ericaceae (Heaths) and order E...
Mountain Bluebird (Sialia currucoides) is a species of the class Aves (Birds) in the family Turdidae (Thrushes and Allies) ...
Cardinal Meadowhawk (Sympetrum illotum) is a species of the class Insecta (Insects) in the family Libellulidae (Skimmers) a...
Rivoli's Hummingbird (Eugenes fulgens) is a species of the class Aves (Birds) in the family Trochilidae (Hummingbirds) and ...
Recent Content
Papilio multicaudata
Fouquieria splendens
Molothrus aeneus
Callisaurus draconoides
Aspidoscelis velox
Penstemon newberryi
Polioptila caerulea
Meleagris gallopavo
Passerina caerulea
Featured Illustrations
Great Crested Flycatcher
Red-flanked Bluetail
Chinstrap Penguin
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.
