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Birds are a group of warm-blooded vertebrates constituting the class Aves (/ ˈeɪviːz /), 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.
- Skeleton
Bird anatomy, or the physiological structure of birds'...
- Ornithurae
Ornithurae (meaning "bird tails" in Greek) is a natural...
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- Passeriformes
A passerine (/ ˈ p æ s ə r aɪ n /) is any bird of the order...
- Bee Hummingbird
The bee hummingbird is the smallest living bird. [3] [4]...
- Avifauna (Disambiguation)
Vogelpark Avifauna, a bird park in Alphen aan den Rijn,...
- Red-Crested Turaco
It is a frugivorous bird endemic to western Angola. Its call...
- Musophagiformes
The turacos make up the bird family Musophagidae (/ ˌ m j uː...
- Skeleton
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.
Birds (Aves) are a group of animals with backbones. They evolved from dinosaurs. Technically, birds are dinosaurs. [2] l. Birds are warm blooded. Their feathers help prevent loss of body heat. [3] [4] Modern birds do not have teeth. They have beaked jaws. Birds lay hard-shelled eggs. They have a high metabolic rate and a strong but lightweight ...
Hummingbirds are birds native to the Americas and comprise the biological family Trochilidae. With approximately 366 species and 113 genera, [ 1 ] they occur from Alaska to Tierra del Fuego, but most species are found in Central and South America. [ 2 ]
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.
Learn about birds, their anatomy, evolution, and diversity from National Geographic. Explore photos, videos, and stories of different bird species and their habitats.
6 Οκτ 2024 · 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.
