Co-author Jinseok Park of Seoul National University in South Korea and colleagues thought the pennaceous feathers might have been used to flush out potential prey from hiding places so they could ...

Pennaceous feathers, which are the stiff, non-downy feathers with a central quill, are seen in fossils of some dinosaurs such as Caudipteryx, which lived about 124 million years ago.

The ancient form of these feathers first emerged in dinosaurs during the Jurassic Period, and these dinosaurs, called Pennaraptorans, had proto-wings made of pennaceous feathers.

Lots of small non-avian dinosaurs possessed feathers, but one special feather type, known as pennaceous, can be seen in only one group dubbed the Pennaraptora. These feathers were present on their ...

Pennaceous feathers, which are the stiff, non-downy feathers that have a central quill, are seen in fossils of some dinosaurs such as Caudipteryx, which lived about 124 million years ago.

Only one group, known as Pennaraptora, sported plumage of pennaceous feathers, the same kind that still adorn modern birds today and allow them to fly.

News Release 25-Jan-2024 Palaeontology: Small dinosaurs flapped their feathers to scare prey Peer-Reviewed Publication Scientific Reports ...