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- Bird - Wikipedia
Birds are a group of warm-blooded vertebrates constituting the class Aves, 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
- Aves - Definition and Examples - Biology Online Dictionary
Aves is the bird class It is a class that includes living species evolved from reptiles, not mammals However, they have adapted to fly Aves are warm-blooded species with scales on their feet What distinguishes Aves from other classes? What does Aves mean?
- Birds or Class Aves – Description and Characteristics
Learn about birds or class Aves Discover what a bird is, its characteristics, and its relationship to mammals and dinosaurs
- Bird | Description, Species, Feathers, Facts | Britannica
bird, (class Aves), any of the more than 10,400 living species unique in having feathers, the major characteristic that distinguishes them from all other animals
- Aves - Definition, Characteristics, Classification - Biology Notes Online
Aves, the taxonomic class of birds, is a fascinating group of animals within the animal kingdom With approximately 9,000 species, birds display a diverse range of characteristics and behaviors that make them unique and captivating One of the defining features of Aves is their ability to fly
- ADW: Aves: INFORMATION
Aves birds Birds are vertebrates with feathers, modified for flight and for active metabolism Birds are a monophyletic lineage, evolved once from a common ancestor, and all birds are related through that common origin
- Aves: Characteristics and Classification - The Science Notes
Aves, the scientific classification for birds, represents warm-blooded vertebrates with feathers, beaked jaws, the ability to lay hard-shelled eggs, and possessing a lightweight skeleton suitable for flight
- Introduction to the Aves - University of California Museum of Paleontology
Introduction to the Aves The Birds The vertebrate class Aves includes the birds, an extremely distinctive and successful clade, with an estimated 9000 species worldwide, including the snowy owl pictured here
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