NPS has been darting mares with PZP for several years to reduce the number of wild horses on the barrier island but the herd is now at the low end of the desired population range so the effort was suspended.
Biologists are now testing their poop to determine how many mares are pregnant, which will help them predict the size of next year’s foal crop. Refer to this story, posted today, by the Maryland Coast Dispatch.
Western Horse Watchers Association 