Covert feather

（重定向自Wing Covert）

Topside of a chicken wing showing all major feather groups

A rear view of an Indian peacock's true tail and elongated uppertail covert feathers

A covert feather or tectrix on a bird is one of a set of feathers, called coverts (or tectrices), which, as the name implies, cover other feathers. The coverts help to smooth airflow over the wings and tail.

单词	Wing Covert
释义	Wing Covert 英语百科 Covert feather （重定向自Wing Covert） A covert feather or tectrix on a bird is one of a set of feathers, called coverts (or tectrices), which, as the name implies, cover other feathers. The coverts help to smooth airflow over the wings and tail.
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