Feathered dinosaurs did not go away just because they had spun off the birds , though .
有羽毛的恐龙并没有因为它们的后裔---鸟类的出现而退出舞台。
Males stand and protect the egg by balancing them on their feet and covering them with feathered skin known as a brood pouch .
雄性站在那里保护这个卵,用双脚保持它的平衡,并用被称为育儿袋的有羽毛的皮肤覆盖着它。
When he and his colleagues analysed these scrapings they realised that their shape suggested they had been made by the claws of predatory , feathered dinosaurs related to a well-known species called velociraptor .