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 ...