BISMARCK -- The deer rut in North Dakota begins in early September and ends around the middle of December.

Big game biologist Bill Jensen of the North Dakota Game and Fish Department explains deer rut and how the appearance of the deer changes during this period.

Fawns are dropped the first week in June and the vegetation helps to provide a security cover.

"Its a long-standing tradition that you hunt this time of the year," Jensen says. "The rutting activity is animals getting ready for winter, they're putting on fat reserves, it's a good time for harvesting animals for meat and pleasure."