Birds are vertebrate, warm-blooded animals that walk, jump or stand alone on the hind limbs, 3 while the forelimbs are modified as wings that, like ma
Size: 3200px × 2726px
Location: Santander, España
Photo credit: © Agustin Ferreiro / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: ., 000, 150-200, 3, 4, 18, analysis, anatomical, animal, animals, archosauria, avis), beak, began, bipedal, bird, birds, body, breakfast, called, carnivorous, cases, clade, clades, clarified., color, compared, covered, current, denomination., dinosauria, dinosaurs, dna, extinction, fact, feathers, features, fly, fly., forelimbs, goshawk, great, group, hatch, hatch., hind, homogeneity, horny, included, intermediate, jump, jurassic, lay, limbs, mammals., mass, million, modified, morphological, mountain, nature, nests, originated, phylogenetic, produced, radiation, reproduce, sauropsida, scenic, singular, spain, species5, stand, strong, successively, survived, systematics, taxonomic, teeth., tetrapoda, theropoda, todays, turn, unique, vertebrate, walk, warm-blooded, wildlife, wings, years