The western tragopan is a scarce, shy, and elusive bird. Males are as beautiful to ... He deploys his finery: His head sprouts blue horns, his tail feathers fan, his rainbow wattle unfurls.

Still, many known theropods had big legs, short arms, and stout, long tails ... birds. All the feathers on a developing chick begin as bristles rising up from its skin; only later do they split ...

published by Chronicle Books 2016 This tail feather comes from a male red bird of paradise. Feathers: Displays of Brilliant Plumage by Robert Clark, published by Chronicle Books 2016 The male and ...

An experienced fossil hunter, Li split the slab and beheld ... and earliest pygostyle, or fused tail vertebrae that supported feathers, truly looks like a bird. "It passes the sniff test," Carrano ...