- The
uropygial gland,
informally known as the
preen gland or the oil
gland, is a
bilobed sebaceous gland possessed by the
majority of
birds used to distribute...
- duck
directly around the
preen gland (
uropygial gland); they are very
buoyant due to
preen oil
produced by the
preen gland. They are used when
tying dry...
- cooking. It has a
swollen appearance because it also
contains the
uropygial gland that
produces preen oil.
Pygostyles probably began to
evolve very early...
- brittle. To
facilitate that care, many bird
species have a
preen or
uropygial gland,
which opens above the base of the tail
feathers and
secretes a substance...
- beak
Preen gland, also
called the
uropygial gland, an oil
gland found in many bird
species Preen oil, an oil made by the
uropygial gland found in many...
- the nest. The
uropygial gland of the
incubating and
brooding female is
quickly modified to
produce a foul-smelling liquid, and the
glands of nestlings...
- the nest. The
uropygial gland of the
incubating and
brooding female is
quickly modified to
produce a foul-smelling liquid, and the
glands of nestlings...
- fig tree,
Ficus platyphylla.
Unlike most birds, it does not have a
uropygial gland.
Despite its name, Bruce's
green pigeon is
mostly grey with a light...
- skin
glands,
although there may be a few
structures for
specific purposes, such as pheromone-secreting
cells in some reptiles, or the
uropygial gland of...
-
colors may be created, or altered, by
secretions from the
uropygial gland, also
called the
preen gland. The
yellow bill
colors of many
hornbills are produced...
