We all know that crows are smarter than the average bird, but will 007 be able to solve the complex puzzle and retrieve his reward?

Just how smart are dolphins? Can they tell their own reflection apart from another dolphin? Here we see examples of "self-directed" behaviors that answer this question.

Just how powerful is a dog's sense of smell? Today, search dog Fern is going to test out her abilities to see if she can find a canister filled with pork meat in the middle of a lake, under 7 meters of water and mud.