GREEN
10/20/2010 12:44 pm ET | Updated May 25, 2011

Animal Play Present In Fish, Reptiles And Invertebrates, New Research Suggests

Seeing a child or a dog play is not a foreign sight. But what about a turtle or even a wasp?

Apparently, they play, too.

In fact, according to Gordon Burghardt, a psychology professor at the University of Tennessee, Knoxville, many animals -- not just dogs, cats, and monkeys -- need a little play time.

Read more on sciencedaily.com