It is called Goose rumped.
This is rare, except in Quarter Horses and draft horses.
The rump of a horse is called the hind quartes is from the hip over, and the dock is the tail bone.
The tail stick's out about a foot from the horses rump.
The bone in a horse's tail is called the Dock. It goes from the top of the tail, to about mid-tail or shorter.
On the end of its rump
The tail head is the base of the horse's tail. It is also called the "dock."
No. On any bird, the rump is the part of the body immediately above the tail.
Rump
This is called the mane. The hair that dangles between a horse's ears is called the forelock.
It's a place to attach the tail.
Horse's tail
There's no paticular name for any gender or breeds tail except TAIL.
It is called the dock. -Phl