It may sound unbelievable, but reindeer eyes change from a blazing gold in the summer to a deep, dark blue in the winter.

The clicking sound from reindeer knees is a curious feature. It’s thought to come from the tendon within the knee when it slips over the bone.

It's beginning to look a lot like Christmas, and nothing says Christmas more than sitting down to watch the classic movie "Rudolph the Red-Nosed Reindeer." The 1964 stop-motion animated movie is ...