Biology

Featured Species

White-vented Plumeleteer (Chalybura buffonii)

White-vented Plumeleteer - Adult male

Recent Content

Gambel's Quail - Adult male
Gambel's Quail

Callipepla gambelii

Bordered Patch - Adult
Bordered Patch

Chlosyne lacinia

Summer Tanager - Adult male
Summer Tanager

Piranga rubra

Bell's Vireo - Adult (Arizona)
Bell's Vireo

Vireo bellii

Yellow-eyed Junco - Adult
Yellow-eyed Junco

Junco phaeonotus

Yellow Warbler - Adult male
Yellow Warbler

Setophaga petechia

Broad-tailed Hummingbird - Adult male
Broad-tailed Hummingbird

Selasphorus platycercus

Bronzed Cowbird - Adult male
Bronzed Cowbird

Molothrus aeneus

Painted Redstart - Adult
Painted Redstart

Myioborus pictus

Featured Content

European Red Elder - Red Elderberry
European Red Elder

European Red Elder (Sambucus racemosa) is a species of the class Magnoliopsida in the family Adoxaceae (Adoxas) and order D...

Burnished-buff Tanager - Adult
Burnished-buff Tanager

Burnished-buff Tanager (Stilpnia cayana) is a species of the class Aves (Birds) in the family Thraupidae (Tanagers and Alli...

Purple Chinese Houses - Purple Chinese Houses
Purple Chinese Houses

Purple Chinese Houses (Collinsia heterophylla) is a species of the class Magnoliopsida in the family Plantaginaceae (Planta...

Dark-eyed Junco - Adult male (Oregon)
Dark-eyed Junco

The Dark-eyed Junco (Junco hyemalis) is a passerine (order Passeriformes) species of bird (class Aves)...

Cattle Egret - Breeding adult
Cattle Egret

Cattle Egret (Bubulcus ibis) is a species of the class Aves (Birds) in the family Ardeidae (Herons, Egrets, and Bitterns) a...

Marsh Wren - Adult
Marsh Wren

Marsh Wren (Cistothorus palustris) is a species of the class Aves (Birds) in the family Troglodytidae (Wrens) and order Pas...

Photo Galleries

Gallery of Butterflies
Gallery of Butterflies
Gallery of Dragonflies
Gallery of Dragonflies
Gallery of Frogs
Gallery of Frogs
Gallery of Hummingbirds
Gallery of Hummingbirds
Gallery of Woodpeckers
Gallery of Woodpeckers

Lists

Common Birds of United States of America - United States of America
Common Birds of United States of America

Commonly observed birds in United States of America

List of Domains of Life -
List of Domains of Life

A list of the domains of life.

List of Kingdoms of Life -
List of Kingdoms of Life

A list of the kingdoms of life.