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This article lists living orders and families of birds. In total there are about 10,000 species of birds described worldwide, though one estimate of the real number places it at almost twice that. [1] The order passerines (perching birds) alone accounts for well over 5,000 species.
Explore more than 800 North American bird species, learn about their lives and habitats, and how climate change is impacting their ability to survive.
Discover fascinating bird types! From giant ostriches to tiny kiwis, learn about different types of birds, their unique traits, and more!
Birds are animals in the class Aves. In total, there around 10,000 bird species, divided into 252 families. Birds range in size from the tiny bee hummingbird to the towering common ostrich, which weighs more than most humans. The largest group of birds is the order Passeriformes.
Birds of the World is a powerful resource that brings deep, scholarly content from four celebrated works of ornithology into a single platform where biologists and birders can find comprehensive life history information on birds.
Detailed information for more than 600 North American bird species, including ID help, browse by shape and taxonomy, and deeper articles.
Birds are a group of warm-blooded vertebrates constituting the class Aves (Latin: [ˈaveːs]), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
Bird, any of the more than 10,400 living species unique in having feathers, the major characteristic that distinguishes them from other animals. They are warm-blooded vertebrates more related to reptiles than mammals.
Browse North American birds in taxonomic order—by order and family, with quick access to each bird’s photos and sounds.
All About Birds is your free online guide to birds and bird watching. Explore in-depth species information, tips from the Lab’s experts, and inspirational v ...