Provides an overview of the origin of horses in Alberta, factors affecting feral horse population dynamics and a summary of Alberta Environment and Protected Areas' minimum count survey. 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.