User:SuperTah/sandbox
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Arctodus simus, otherwise known as the giant short-faced bear, has had much scholarly research and debate regarding its diet. Although past hypotheses suggested that A. simus was either a hypercarnivore or obligate kleptoparasite, modern research concludes that A. simus was in fact an omnivore. Evidence from cranial morphology, dental wear patterns and associated scat confirms plant consumption, whereas bone damage to various fossils establishes carnivory. Through isotope studies, Arctodus simus is understood to have relied on plants which perform C3 carbon fixation, and the browsers which fed on them, such as deer, camels, llamas, tapir and ground sloths. Arctodus simus may have had region-specific diets across its native range in North America. Modern ecological analogues in studies include brown bears and spectacled bears, along with striped and brown hyenas.
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