It is entirely dark except for an indistinct pale throat patch.
During the breeding season, adults have a blue throat patch.
The throat patch of the beech marten is always white.
Males and females probably look much alike, though it may be that the latter have a smaller red throat patch on average.
The male has a white throat patch that is broken at the middle.
Males have a longer tail, a purple throat patch and a yellow comb over the eye.
It is entirely dark except for a pale throat patch and a narrow white rump.
Then he scratched his neck and stuck the throat patch into place.
It is hypothesized that females with throat patches are older individuals.
The female is similar to the male, but has a smaller throat patch.