Above is a video from HuntingFootage of youtube.com

 Above is a roe deer. The roe deer is small with small horns.

 Above is a photo of a blacktail deer. This deer looks simular to the whitetail deer(below), just the color is different.

 Above is a whitetail deer. This deer is found all around Canada.

 Above is the red deer. This deer has a tiny bit of an elk look in it.