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Birds' scales are found mainly on the toes and metatarsus, but may be found further up on the ankle in some birds. The scales and scutes of birds were thought to be homologous to those of reptiles, [4] but are now agreed to have evolved independently, being degenerate feathers. [5] [6]
The scales of birds are composed of keratin, like beaks, claws, and spurs. They are found mainly on the toes and tarsi (lower leg of birds), usually up to the tibio-tarsal joint, but may be found further up the legs in some birds. In many of the eagles and owls, the legs are feathered down to (but not including) their toes.
The scales of birds are composed of the same keratin as beaks, claws, and spurs. They are found mainly on the toes and metatarsus, but may be found further up on the ankle in some birds. Most bird scales do not overlap significantly, except in the cases of kingfishers and woodpeckers.
[1] [2] [3] Dinosaur species very close to the origin of birds have been shown to have had "hind wings" made of feathers growing from these areas, suggesting that the acquisition of feathers in dinosaurs was a whole-body event. [3] The bottoms of bird feet are covered in small, keeled scale-like structures known as reticulae.
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The northern cardinal is the state bird of Ohio. This list of birds of Ohio includes species documented in the U.S. state of Ohio and accepted by Ohio Bird Records Committee (OBRC). As of December 2023, there were 450 species on the official list. [1]
Over 200 birds and other animals were found in the home of a 75-year-old veterinarian in New York. The Nassau County Society for the Prevention of Cruelty to Animals executed a search warrant at ...
In ornithology, the lore is the region between the eye and bill on the side of a bird's head. [1] This region is sometimes featherless, and the skin may be tinted, as in many species of the cormorant family. [2] This area, which is directly in front of the eye, features a "loral stripe" in many bird species including the red-capped plover.