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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 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.
Birds (and their more reptilian cousins, the Crocodilia) are the modern-day legacy of dinosaur’s 165-million-year-long stint on Earth. While our avian friends’ Mesozoic origin story isn’t up ...
The mountain habitat was consistent with that found on the breeding area. In March the population on the breeding area increased again, with most birds in groups of four to eight. [14] The average winter covey size for scaled quail is around 30 birds, although coveys of up to 150 birds have been reported. [17]
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BBC News: Ancient American bird was glider – BBC News article; How the dinosaur bird took to the skies – Daily Telegraph article; Secret of flight for world's largest bird revealed – COSMOS magazine article; Argentavis, the largest flying bird, was a master glider – Article from the blog Not Exactly Rocket Science
The scale-feathered malkoha (Dasylophus cumingi) is a species of cuckoo in the family Cuculidae.It is a spectacular looking bird with its white hood, red eyes and yellowish bill with a line of scaled feathers down from the bill and up over the crown, contrasted with rufous neck and back and a black lower body and tail.