It’s a large pile of poop, deposited by one or more stallions, to mark their territory.
Photo taken 08/24/18 near the edge of a road on the Virginia Range.

Western Horse Watchers Association
Exposing the Hypocrisy, Lies and Incompetence of the Wild Horse Advocates
It’s a large pile of poop, deposited by one or more stallions, to mark their territory.
Photo taken 08/24/18 near the edge of a road on the Virginia Range.
