Shows how non-human behaviour is much more complicated than has traditionally been held. My understanding is that animal behaviouralists now suggest that non-human behaviour is governed by learning and experience to a much higher degree than previously thought, and that human behaviour, on the other hand, is more subject to "hardwired" instinct than we might care to admit.

It reminds me of a National Geographic photo essay from a few years back. A polar bear approached a tied-up sled dog, and just as the dog's owner was wishing it a painless demise, the two animals started playing...romping in the snow like old buddies. When the bear had it's fill, it simply wandered off, leaving the dog alone.