Surviving Mammoths

http://en.wikipedia.org/wiki/Image:Baby_Mammoth_-_Luzern%2C_Switzerland.JPG

Mammoths generally died out with the last ice age, but some survived on Russia’s Wrangel Island until 1500 B.C., around the same time Stonehenge was built.

Reportedly the Soviet Air Force spotted a group of mammoths in Siberia during World War II but subsequently lost them.