On the Science Channel's "Mammals vs. Dinos," evidence suggests that the Tyrannosaurus Rex lived as a family unit, caring for its young and living cooperatively.
Meet Supersaurus, one of the largest dinosaurs of the Jurassic period. Supersaurus was an herbivore whose lifespan could be as much as one hundred years.
More than 200 new species of insects, amphibians and mammals were recently found in the rainforest of Papua New Guinea. So how were all these animals discovered? Conservation International scientists explain their techniques.
"Reptiles and Amphibians" producer Rupert Barrington and cameraman Kevin Flay offer a behind-the-scenes glimpse at the making of this episode. Watch it on Animal Planet on Sunday, June 6 at 9PM e/p.