general science. Share your thoughts, experiences and the tales behind the art. The Arctotherium angustidens was isolated primarily to South America during the Pleistocene epoch 2.5 million to 11,000 years ago. Compared with Arctodus simus, it had a more powerful physique with the same linear dimensions and was also very much robustly build. staff. It was assigned to Tremarctinae by Krause et al. Some competition it could make is with the saber-toothed cats, who were also at the top of the food chain. I’ll assume both species are in good health and are fully grown males. THE GIST - The world's largest known bear was a male South American giant bear that was 11 feet tall. American black bears Ursus amercanus brown bears Ursus arctos and polar bears Ursus maritimus all have mating seasons occurring within Am first time visitors read here. Arctotherium is composed of 5 South American species - of which A. angustidens is the earliest, largest, and apparently most predatory - and is the sister clade of Arctodus; the two are in turn part of the clade Tremarctinae which further includes Tremarctos (spectacled bear and kin) and Plionarctos (Soibelzon and Schubert 2011). Arctotherium augustidens FTW!! general discussion. It lived primarily in South America during the Pleistocene epoch, some 2.5 million to 11,000 years ago. administration. Designed by Dreamvention administration. One-on-one: Arctotherium angustidens wins. Its remains were found while excavations for a hospital construction in La Plata City, Argentina were going on. They were endemic to South America living from ~2.0–0.01 Ma, existing for approximately 1.99 million years. Well The bear that weighted 3500 lbs was Arctotherium Angustidens, not Arctodus Simus. We're talking average. male Arctotherium angustidens maxed out around 3,500 pounds, and a skeletal reconstruction included in the paper is just shy of eleven feet tall. It could weigh up to 4500lbs and stand at 14 feet tall, absolutely dwarfing even arctodus simus. administration. It was a South American giant short-faced bear (Arctotherium angustidens), the earliest and largest member of its genus (its group of species of bears). Simus probably reached a max weight of about 2500 lbs. An estimated standing height for Arctotherium is 3.4–4.3 metres (11–14 ft). This was the largest bear of all time, weighing up to 3,800 pounds. The cave bear of California. Share your thoughts, experiences and the tales behind the art. © 2012 Roman Uchytel. A typical representative: Arctotherium angustidens Gervais and Ameghino, 1880. The Arctotherium angustidens specimen of concern is not a new discovery, ... the estimated weight for the giant Arctotherium angustidens specimen ranged from 983-2042 kg (2,167-4,502 lbs), with the value likely around the mean and median of 1588 and 1749 kg (3501-3856 lbs), respectively (Soibelzon and Schubert 2011). This bear was so massive that scientists believe it regularly weighed between 2,000 and 4,000 pounds, although newer estimates have brought down the upper end of that scale … bears (general overview) extant bears (general) asia. Kingtheropod. If you put an excessive amount of fat on it (which is typical for big bears), it can easily weigh over a tonne, maybe even 1.1, 1.2 tonnes which is even heavier than the recorded freak Polar bear specimen (personally, i doubt the credibility of that 1000 kg Polar bear). (The North American carnivorans that invaded South America, including short-faced bears and Smilodon, quickly dominated the predatory niches formerly occupied by South America's native metatherian sparassodont and avian phorusrhacid carnivores). first time visitors read here. staff. Many of these fascinating creatures are unfamiliar to the public and remain a mystery even to science. arctotherium angustidens: s. american gsfb profile. staff. "The Largest Known Bear, Arctotherium angustidens, from the Early Pleistocene Pampean Region of Argentina: With a Discussion of Size and Diet Trends in Bears". South American short-faced bear (Arctotherium Burmeister, 1879). On the other hand, the 900 kg you see for Arctotherium here is a rather lean weight (because Blazze's GDI is fairly lean). Arctotherium angustidens, ... Mostly a plant-eater, it has a love for fruit, smashing down ripe branches too flimsy to support its weight. Should be stronger also at same weight. general science. Ursus arctos priscus . Temporal range: Pleistocene - Holocene of North America (~1.1 Ma – 10 000 years ago). Now, Arctotherium Angustidens We're not talking a 50 foot 20,000 lb Sarcosuchus, and a 1000 lb Arctotherium Angustidens. Bison latifrons reached a shoulder height of 2.5 m (8 ft 2 in), and had horns that spanned over 2 m (6 ft 7 in). This is about as tall as the largest grizzly and polar bears can stand, but Arctotherium angustidens was a much more robust animal. Family: Ursidae. but yeah, we all agree that at same weights a polar bear should win due to its greater girth and fighting ability. 3 users Like Roberto 's post The Arctotherium angustidens specimen of concern is not a new discovery, ... the estimated weight for the giant Arctotherium angustidens specimen ranged from 983-2042 kg (2,167-4,502 lbs), with the value likely around the mean and median of 1588 and 1749 kg (3501-3856 lbs), respectively (Soibelzon and Schubert 2011). general discussion . Florida short-faced bear, Florida cave bear (Tremarctos floridanus Gidley, 1928) Order: Carnivora. That is why the mission of this project is to be a guide to the world of prehistoric fauna - undiscovered and incredibly beautiful. Representatives of this species reached 4 meters (13 feet) in length, up to 2 meters (6,5 feet) at the withers and weighed about 2,200 kg. It was assigned to Tremarctinae by Krause et al. The closest relative of A. angustidens is that of the living spectacled bear, which is significantly lost in size compared to its distant ancestor. Scenario on land, because in water it would be the spectacled bear ( Arctotherium angustidens Gervais and,. Posts: 52 Utahraptor ostrommaysi vs. Arctotherium angustidens Gervais and Ameghino, 1880 1.99 years! Top of the Pleistocene epoch, some 2.5 million to 11,000 years ago closest were. At 14 feet tall, absolutely dwarfing even Arctodus simus journal of Paleontology ( Society... 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