Is lying just a human trait or do animals lie, too? Do animals have a sense of morality? Do they know right from wrong? what is right and what is wrong play important roles in the social interactions of animals, just as they do in ours.

Many people believe animals don not lie, that they are immune to such human failings. However, many studies show that animals do indeed lie. In fact, lying appears to be a sign of intelligence. Therefore, the more intelligent the animal, the more likely it is to lie.

Take for example Koko the Gorilla. When her handlers confronted her after she tore a steel sink out of its mooring, she signed "cat did it" and pointed at her innocent pet kitten.

Perhaps the Koko example lends credence to the idea that lying