Palaeontology: Small dinosaurs flapped their feathers to scare prey
Small omnivorous and insectivorous dinosaurs may have flapped small, feathered primitive wings to scare prey out of hiding places, according to a study published in Scientific Reports. The authors built a robot dinosaur named Robopteryx to investigate how grasshoppers responded to different potential scaring behaviours, and speculate that the results could help explain why feathered wings evolved before they were capable of flight in some types of dinosaurs.
Although the remains of numerous species of feathered dinosaurs have been discovered, so far only members of one group of dinosaurs known as ...












