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Birds are a group of warm-blooded vertebrates constituting the class Aves (/ ˈ eɪ v iː z /), 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.
- List of birds
This article lists living orders and families of birds. The...
- List of birds by common name
In this list of birds by common name, a total of 10,976...
- List of birds
Aves es una clase de animales vertebrados homeotermos con los miembros anteriores transformados en alas, el cuerpo cubierto de plumas y un pico córneo sin dientes.Para reproducirse ponen huevos que incuban hasta su eclosión.. Su grupo taxonómico se denomina clase Aves —plural del latín avis— [3] y se encuentra dentro de los clados Theropoda, Dinosauria, Archosauria y Sauropsida, dentro ...
Birds (Aves) are a group of animals with backbones. They evolved from dinosaurs. Technically, birds are dinosaurs. Birds are warm blooded. Their feathers help prevent loss of body heat. 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 ...
Todo sobre las aves en Wikipedia Las aves son animales vertebrados , de sangre caliente , que andan o se mantienen sólo sobre las extremidades posteriores , mientras que las extremidades anteriores están modificadas como alas que, al igual que muchas otras características anatómicas únicas, son adaptaciones para volar , aunque no todas ...
This article lists living orders and families of birds. The links below should then lead to family accounts and hence to individual species. The passerines (perching birds) alone account for well over 5,000 species.
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.
In this list of birds by common name, a total of 10,976 extant and recently extinct (since 1500) bird species are recognised. Species marked with a "†" are extinct.
