- Role of
Avian Rictal Bristles" (PDF). The
Wilson Bulletin. 84 (2): 193–197. Conover,
Michael R.; Miller, Don E. (November 1980). "
Rictal Bristle Function...
-
little use for walking, and long,
pointed wings.
Typical nightjars have
rictal bristles,
longer bills, and
softer plumage. The
colour of
their plumage...
- of humans. They are
medium to
large in size, with
strong feet and bills,
rictal bristles, and a
single moult each year (most p****erines
moult twice). Corvids...
-
Bristles are stiff,
tapering feathers with a
large rachis but few barbs.
Rictal bristles are
found around the eyes and bill. They may
serve a
similar purpose...
-
caprimulgid has a large,
flattened head with
large eyes;
facially it
lacks rictal bristles. The
common nighthawk has long
slender wings that at rest extend...
- This
genus is
distinctive among the Old
World nightjars in
lacking long
rictal bristles. It also
shows some
features that are not
shared with Caprimulginae...
- have long
rictal bristles (or
stiff hair-like feathers)
around their beak
which is
usually a
distinguishing feature in nightjars.
These rictal bristles...
-
wintering in the tropics.
Caprimulgus species have
relatively long
bills and
rictal bristles. Many have
repetitive and
often mechanical songs. The
genus Caprimulgus...
- ****ist in foraging.
Unlike the
closely related nightjars, the
potoos lack
rictal bristles around the mouth. The legs and feet are weak and used only for...
-
obtain otherwise hidden food. Most
icterids have
rounded tails and lack
rictal bristles. They have nine
primary feathers and are
placed among the nine-primaried...
