Looks at the impacts of feral horse populations on rangeland ecosystems and how this compares to other large herbivores on the landscape. This information sheet is one of five current-knowledge documents summarizing the state of information related to feral horse populations in Alberta. The documents were created by the Office of the Chief Scientist at the request of the Feral Horse Advisory Committee. The Office of the Chief Scientist provides independent scientific advice to address complex environmental challenges and opportunities Alberta faces.