Why would an animal want to cooperate with a human ? Behaviorists would say that animals cooperate when they learn it is in their interest to do so. This is true, but I don’t think it goes far enough. Gail Laule, a consultant on animal behavior with Active Environments, Inc., a zoological consulting firm, speaks of an orca (killer whale) she knew. “Of all the animals I’ve worked with, Orky was the most intelligent”, she says. “He would assess a situation and then do something based on the judgments he made