- 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...
- due to the "
tail", also
known as a "train". The pea****
train consists not of
tail quill feathers, but
highly elongated upper tail coverts.
These feathers...
-
Nahuatl quetzalli [keˈt͡salːi], "large
brilliant tail feather" (American
Audubon Dictionary) or "
tail coverts of the quetzal" (Merriam-Webster's Collegiate...
- from green, cobalt, lime, and
yellow to ultramarine.
Their green upper tail coverts hide
their tails and are
particularly splendid in
breeding males, being...
- wing
coverts, and
under tail coverts,
while the
sides of its head and the
whole lower plumage are deep black;
greater wing-
coverts, quills, and
tail black...
- are black. The
tail is dark
brown and the "train" is made up of
elongated upper tail coverts (more than 200 feathers, the
actual tail has only 20 feathers)...
- pinkish-breasted racket-tailed
rollers have
darker greater regime coverts and
darker blue
primary coverts. The call of a lilac-breasted
roller is a harsh, sawing...
- characteristic, in both ****es of all ages, is that the
entire tail is
black to the
level of the
upper tail-
coverts. The
desert wheatear feeds largely on
insects which...
- long upper-
tail covert feathers. In the male, this
extends up to 2 m (6 ft 7 in) and is
adorned with eyespots; in the female, the
coverts are
green and...
- and its
tail is
edged with a
broad band of yellow. The
female has an all red plumage,
except for
royal blue primaries,
yellow under-
tail coverts and a broad...