Checked on 2024-09-27
Probability: 1.0
Justification: All the evidence provided confirms that birds are a group of warm-blooded vertebrates that belong to the class Aves. They are characterized by feathers, toothless beaked jaws, laying hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a lightweight skeleton.
Final Truth Score: 0.96
Birds are a group of endothermic (warm-blooded) vertebrates that are characterized by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a lightweight skeleton. Key characteristics of birds include: Feathers: Feathers are unique to birds.
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.Birds live worldwide and range in size from the 5.5 cm (2.2 in) bee hummingbird to the 2.8 m (9 ft 2 in) common ostrich.
bird, Any of the warm-blooded, beaked vertebrates of the class Aves, including more than 9,600 living species. A covering of feathers distinguishes birds from all other animals. Birds have a four-chambered heart (like mammal s), forelimbs modified into wings, and keen vision, and their eggs have calcium-rich eggshells.
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.A more-elaborate definition would note that they are warm-blooded vertebrates more related to reptiles than to mammals and that they have a four-chambered heart (as do mammals), forelimbs modified into wings (a trait shared with bats ...
Aves is a class of warm-blooded vertebrates that includes birds. They have wings modified from their forelimbs and developed flying muscles. ... Aves is a taxonomic class of birds. The class belongs to the phylum Chordata (chordates). Some of their common features: oviparous reproduction, complete double circulation, wings (modified front limbs ...