CONTEST ENTRY: Rare Tortoises--Species Survival Plans At The Knoxville Zoo

In their more-than-200-million-year history on the planet, turtles and tortoises, like other reptiles, have changed very little, certainly not fast enough for a world that is quickly changing around them.  The Knoxville Zoo currently houses a number of reptiles under 20 Species Survival Plans, breeding programs designed to boost animal populations....