Prey or play When differing animals meet, they sometimes communicate. Sometimes threats, sometimes lies, sometimes laughter. We take a look at interspecies communication. Here are two different videos—with the same name!—on animal laughter. Do Animals Laugh? Do Animals Laugh? Here’s an article about animal vocalizations during play. Dogs Do It, Birds Do It, and Dolphins Do It, Too. Here’s a video on the mimic octopus. The Mimic Octopus Here’s an article about dolphins getting high on pufferfish. Dolphins Seem to Use Toxic Pufferfish to Get High And here’s an article about how dogs and horses make friends. Dog & Pony Show: New Study Sheds Light on Interspecies Play