A covert feather or tectrix on a bird is one of a set of feathers, called coverts (or tectrices), which cover other feathers. The coverts help to smooth...

birds, the fifth set of secondary covert feathers does not cover any remiges, possibly due to a twisting of the feather papillae during embryonic development...

and diet Covert (automobile), an automobile built in the United States of America from 1901 to 1907 Covert feather, a type of feather Covert (linguistics)...

the Asiatic species, which have an eye-spotted "tail" or "train" of covert feathers, which they display as part of a courtship ritual. The functions of...

wire-like feathers and is best known for the long train made up of elongated upper-tail covert feathers which bear colourful eyespots. These stiff feathers are...

small flight feathers, with the exact number depending on the species. There also are minor covert feathers overlying the flight feathers. Like the larger...

(primary-/secondary-) coverts; median (primary-/secondary-) coverts; lesser (primary-/secondary-) coverts (the last being also called bow coverts). Covert feathers found...

being unlikely; the feather was identified on the basis of morphology as most likely having been an upper major primary covert feather. The first skeleton...

article in National Geographic and was used in a study of Anchiornis covert feathers and wing anatomy the following year. Anchiornis huxleyi was a small...

The white feather is a widely recognised propaganda symbol. It has, among other things, represented cowardice or conscientious pacifism; as in A. E. W...