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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.
5 Ιαν 2024 · Birds belong to the class Aves, which is a group of warm-blooded vertebrates characterized by feathers, beaks, and the ability to lay eggs. They are a diverse group of animals with over 10,000 known species and can be found in various ecosystems around the world.
2 Απρ 2024 · Contrary to a common misconception, birds are not mammals. Both groups are warm-blooded vertebrates, there are differences: Reproduction: Most mammals give birth to live young, while birds lay eggs. Body Covering: Birds have feathers, while mammals have fur or hair.
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.
6 Οκτ 2024 · 66 species in 6 families worldwide, including cormorants, boobies, gannets, tropic birds, and frigate birds. Water birds with all 4 toes webbed; bill hooked or straight and sharply pointed; length 48–188 cm (19–74 inches).
The first division of classification is into Kingdom. Birds are classified into the Kingdom Animalia (i.e. Animals). The kingdom is further divided into the Phylum. Birds are in the Phylum Chordata (Animals with a backbone). Next in classification is the Class. The Class for birds is Aves.
Taxonomy enables study of anatomical, genetic, behavioral, and ecological patterns within bird groups. Differences between penguins and petrels or hawks and herons become analyzable. Biogeography. Mapping bird families and species by location reveals geographic distributions and ranges.
