Sex appeal helped dinosaurs take flight

Attracting mates with showy displays may have helped dinosaurs develop feathers that let them take flight, according to new research by University of Alberta paleontologists.

Feathers came first, then birds

New research, led by the University of Bristol, suggests that feathers arose 100 million years before birds—changing how we look at dinosaurs, birds, and pterosaurs, the flying reptiles.

Bird-like dinosaurs hatched eggs like chickens: study

Feathered dinosaurs that walked on two legs and had parrot-like beaks shared another characteristic with modern birds—they brooded clutches of eggs at a temperature similar to chickens, a study showed Wednesday.

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