Perhaps Smilodon groups had an alpha female rather ... “You lose out on the horses, camels, giant ground sloths, mammoths and mastodon. That’s got to have had an impact.” ...

A prehistoric discovery near Hays is shedding some new light on a giant ground sloth species that lived more than 10,000 ...

If [Smilodon] preyed upon the ground sloths, as Professor Cope suggested, the use of their enormous canine teeth seems evident. The sloths are covered with coarse hair implanted in a thick hide ...

Most of us are familiar with sloths, the bear-like animals that hang from trees, live life in the slow lane, take a month to ...

Though you’re right—Smilodon populator were big ... Truck-size armadillos, mastadons, the twelve-foot-tall ground sloth—all fair game. But researchers aren’t sure if many saber-toothed ...

This species of giant ground sloth is one of the largest known from ... between 8 and 10 feet tall and weighed about 2,000 pounds. Smilodon fatalis is more famously known as the sabertooth ...

According to new research, two sets of sabers and unusual lower jaw anatomy show that the saber-toothed cat Smilodon fatalis ... woolly mammoths, giant ground sloths and mastodons.

Who could take down a giant ground sloth?” said Kevin Seymour, a paleontologist at Toronto’s Royal Ontario Museum who reviewed the research. The new skull suggests an answer. “If Smilodon is ...