Tail covert - definition of tail covert by The Free Dictionary
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(Zoology) any of the covert feathers of a bird covering the bases of the tail feathers
any of the feathers concealing the bases of a bird's tail feathers.
References in periodicals archive
Adult females are greyish-brown on the back, with scattered reddish feathers dispersed on the rump and upper tail coverts
. immature males and females have similar plumage to adult females and there is no apparent plumage difference between adult and young females (Sick 1997).
The age of females that had not been banded as nestlings was estimated as follows: 1 yr old--back and most upper tail coverts
brown, 2 yr old--tail coverts had a few brown and many grey feathers, and 2+ yr old--tail coverts were grey.