We all grew up reading animal books and watching nature documentaries, so we think we know our wildlife. We can easily point out a striped tiger, a tall giraffe, or a clumsy panda. But the natural world is full of deceptive look-alikes, bizarre creatures, and hidden species that look almost identical to the untrained eye. Can you tell a cheetah from a leopard based on its spots? Do you know the subtle traits that separate an alligator from a crocodile? This quiz moves past the basic zoo animals to test your true knowledge of the animal kingdom. Most people fail to identify 15/40 of these wild animals—can you beat the average and prove you're a true wildlife expert? Take the challenge now!