The short-faced bear, or Arctodus Simus, is an genus of bear that inhabited North America during the last ice age and went extinct about 10,000 years ago. It may have been the largest predatory land mammal of its day. Experts disagree on the exact nature of it's diet, but there is speculation that it would steal other predator's kills by using its intimidating size to run them off.
The Woolly Rhino died for the same reasons as the woolly mammoths however it most likely survived longer until 4,000 B.C when they were still alive during the egypt rise, but herding woolly rhinos would be hard because they are more dangerous than woolly rhinos
Castoroides ohioensis reached a length of up to 8 ft 2 in and an estimated weight of 130-220 lbs; It lived in North America during the Pleistocene epoch and went extinct at the end of the last Ice Age, 12,000 years ago. Beavers the size of black bears.