Biology
Featured Species
Violet Sabrewing (Campylopterus hemileucurus)
Featured Content
Violet Sabrewing (Campylopterus hemileucurus) is a species of the class Aves (Birds) in the family Trochilidae (Hummingbird...
Big Sagebush (Artemisia tridentata) is a species of the class Magnoliopsida in the family Asteraceae (Sunflowers) and order...
White-vented Plumeleteer (Chalybura buffonii) is a species of the class Aves (Birds) in the family Trochilidae (Hummingbird...
Rock Wren (Salpinctes obsoletus) is a species of the class Aves (Birds) in the family Troglodytidae (Wrens) and order Passe...
Mountain Misery (Chamaebatia foliolosa) is a species of the class Magnoliopsida in the family Rosaceae (Roses) and order Ro...
Ruff (Calidris pugnax) is a species of the class Aves (Birds) in the family Scolopacidae (Sandpipers and Allies) and order ...
Recent Content
Amelanchier alnifolia
Passerina caerulea
Centaurea solstitialis
Vespula pensylvanica
Pituophis catenifer
Leiothlypis luciae
Aspidoscelis velox
Spizelloides arborea
Saucerottia beryllina
Featured Illustrations
Red-necked Stint
Common Swift
Humboldt 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.
