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Hace 3 días · Softer bird-style skin would have been too fragile without feathers for protection. Collectively, the new fossil evidence indicates that Psittacosaurus had reptile-style skin in areas where it didn’t have feathers. The tail, which preserves feathers in some specimens, unfortunately did not preserve any feathers or skin in our specimen.
Hace 2 días · Palaeontologists have now discovered the creature had reptile-like skin in areas of the body without feathers. Their findings, published in the journal Nature Communications, also revealed the dinosaur skin fossil they analysed was composed of silica, the same compound used to make glass.
Hace 1 día · Softer bird-style skin would have been too fragile without feathers for protection. Collectively, the new fossil evidence indicates that Psittacosaurus had reptile-style skin in areas where it didn’t have feathers. The tail, which preserves feathers in some specimens, unfortunately did not preserve any feathers or skin in our specimen.
Hace 2 días · The Psittacosaurus fossil "strongly suggests that evolution of feathers - and the new skin adaptations - happened at the same time," McNamara said. The dinosaur's scaly skin closely resembled the ...
Hace 5 días · Bird, any of the more than 10,400 living species unique in having feathers, the major characteristic that distinguishes them from other animals. They are warm-blooded vertebrates more related to reptiles than mammals. Learn more about birds in this article.
Hace 2 días · Birds are a group of warm-blooded vertebrates constituting the class Aves ( / ˈeɪviːz / ), 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.
Hace 17 horas · A feather of NewZealand'snow-extinct huia bird hasbeen auctionedfor a staggering NZD$46,521.50, approximately ₹23 lakh.
