I know pronghorn drop their horns by the end of November, but when do pronghorns start growing new horns and when is horn growth complete?

Answered by Idaho Fish and Game biologist Pronghorn are quite a unique species. They grow horns that shed annually unlike other species that grow horns that get larger each year like bighorn sheep and mountain goats. Horns are different than antlers. Horns are made from a keratinous sheath that grows from a core of live…

If pronghorn winter diet is close to 100% sagebrush, how do they process the terpenoid oils in the plant when other browsers can’t?

Question answered by Dr. Jericho Whiting, Biology Professor, BYU-Idaho Sagebrush provides a ready source of winter nutrition for pronghorn, because of its nutritional quality and relative availability on sagebrush-dominated winter range used by these ungulates. Three adaptations by pronghorn allow them to eat sagebrush in winter. First, pronghorn are opportunistic herbivores. As such these animals are able to…