- 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...
- 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...
- 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...
- cooking. It has a
swollen appearance because it also
contains the
uropygial gland that
produces preen oil.
Pygostyles probably began to
evolve very early...
- 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...
- much as 450 g (16 oz). Like most
other ratites, they have no
uropygial gland (preen
gland).
Their bill is long,
pliable and
sensitive to touch, and their...
- 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...
-
antiparasitic defence—such as
stronger T cell
immune response or
larger uropygial glands—harbour more taxa of
Amblyceran lice than others.
Reductions in the...
-
members of the same species,
using the
scent produced by the
uropygial gland secretion.
Uropygial secretion composition is
known to
differ among individuals...
