English Story

'feather-eating bugs' dull birds “以羽毛为食的病菌”使鸟颜

Brightly coloured birds can become infected with bacteria that eat their feathers.

颜色鲜艳的鸟类可能感染吃它们羽毛的细菌。

Eastern bluebirds can lose their <a href=brilliance" width="466" border="0" src="/upimg/090804/4_055645_1.jpg" />