It may have attacked bison, deer, and horses. The largest known skull of arctodus was found by a Yukon gold miner. The short-faced bear weighed in at around 1,660 lbs. Another fossil from southern ...

It may have attacked bison, deer, and horses. The largest known skull of arctodus was found by a Yukon gold miner. The short-faced bear weighed in at around 1,660 lbs. Another fossil from southern ...

But now they are turning their focus to the giant Ice Age bear - also known as Arctodus, as well as the giant beaver, also known as Castoroides. Professor Beth Shapiro, chief science officer at ...