No one theory seems to explain the disappearance of the mammoth. But some scientists believe ancient human hunters may have had something to do with the mammoths' extinction.
A long-horned beetle attempts to escape a colony of ravenous red ants, but slips back down into their waiting jawas and his ripped apart while it's still alive.
A wolf and a bear, two of Russia's deadliest predators, pick up the same scent of carcass off the coast of Siberia's Lake Baikal. Will one back down or will they battle?
Shorty and Ashley search a junkyard for loose pit bulls when Hercules goes bananas and runs away from Shorty. When Shorty finds him pointing at the trunk of a car, even he is not ready for what he finds inside ... an abandoned pit bull puppy.
On Animal Planet's "What's to Love?," The tapir is a relative of the horse and rhinoceros and lives in Central America. The tapir's long nose is used to forage for food in the jungle.