Arctodus simus went extinct around 12,800 years ago, and is one of the most recently dated megafauna to go extinct in North America, being reliably dated to within the Pleistocene-Holocene boundary (13,800 BP - 11,400 BP). [242] [134] [243] Both local and regionalized dietary flexibility has been a factor suggested for the species' longevity.

Also called the bulldog bear, the giant short-faced bear (Arctodus simus) was undoubtedly the fastest running bear that ever lived. Rangier and longer legged than any bear today, it was about five feet at the shoulders when walking and stood as tall as 12 feet on its hind legs.

2022年12月4日 · There are two recognized species – Arctodus pristinus (also called Lesser short-faced bear) and Arctodus simus, which is considered as the most powerful and largest land carnivore that inhabited North America 800000 to 12500 years ago – during the Ice Age.

2019年2月14日 · Discover an in-depth profile of the Giant Short-Faced Bear(Arctodus simus), including the prehistoric mammal's characteristics, behavior, and habitat.

The giant short-faced bear, Arctodus simus, was an extremely large bear that occupied much of North America throughout the Pleistocene. It is often described as the largest Pleistocene land carnivore in North America, although several new studies suggest that this member of the Carnivora family may actually have been an omnivore (Figuerido et ...

The Giant Short-Faced Bear (Arctodus simus) was a very large Ice Age bear found throughout North America. This was the largest mammalian land carnivore ever to live in North America, reaching heights of over 11 feet when standing upright.

2016年2月4日 · † Arctodus simus (Cope 1879)—Giant Short-faced Bear. Synonyms. Arctotherium simum, Tremarctotherium simum. Arctodus simus was noted by Kurtén (1967) as an exceptionally long-limbed bear, with the difference being especially great for the hind limb, which is notably longer than the forelimb. He suggested that the skeleton indicates ...

2024年5月27日 · The Giant Short-Faced Bear, Arctodus simus, was one of the largest mammals of its day. It also tops the list of large omnivorous mammals of all time! Classification and Scientific Name. The Short-Faced Bear is actually an entire genus, the Arctodus. This includes two distinct species, the Arctodus pristinus and the Arctodus simus.

2022年4月15日 · Arctodus simus remains, including parts of its jaw and a fearsome-looking lower canine, had been found nearby. The exact size of the bear is unknown, but there was enough evidence to say it was large and likely quite capable of stealing and defending any carcass coveted by other, smaller scavengers.

The giant short-faced bear, Arctodus simus, evolved from Arctodus pristinus during the middle Pleistocene of North America, around 1.3 million years ago. Both species were omnivorous, feeding on tall vegetation and large mammals. Arctodus simus might have been the largest predatory land mammal that ever lived in North America.