- 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...
-
Nahuatl quetzalli [keˈt͡salːi], "large
brilliant tail feather" (American
Audubon Dictionary) or "
tail coverts of the quetzal" (Merriam-Webster's Collegiate...
- 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...
- from green, cobalt, lime, and
yellow to ultramarine.
Their green upper tail coverts hide
their tails and are
particularly splendid in
breeding males, being...
- 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...
- 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...
- 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...
- with
black secondaries. The
tail is dark
brown with
glossy green chest, buff thighs, and blackish-brown
abdomen and
tail coverts. The male is best
known for...
- tips. When
viewed from below, this pattern,
owing to the
white under-
tail coverts obscuring the dark bases, is a
blackish chevron on a
white ground. This...
- have dark
yellow bills,
green heads,
white collars,
black tail coverts and dark, ashy
brown tail feathers, a dark gray
upper back and
light gray
lower body...