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Post by brobear on Mar 19, 2018 3:56:12 GMT -5
shaggygod.proboards.com/ FOSSIL RECORD. Although no fossils of H. malayanus are known, the species descended from Ursus minimus, a widespread Late Pliocene bear that was similar in size to H. malayanus (O’Brien 1993).
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Post by brobear on Oct 28, 2019 10:03:27 GMT -5
Who is the sun bear?
en.wikipedia.org/wiki/Ursinae
Ursinae is a subfamily of Ursidae (bears) named by Swainson (1835) though probably named before Hunt 1998. It was assigned to Ursidae by Bjork (1970), Hunt (1998) and Jin et al. (2007). The genera Melursus and Helarctos are sometimes also included in Ursus. The Asiatic black bear and the polar bear used to be placed in their own genera, Selenarctos and Thalarctos; these are now placed at subgenus rank.
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Post by brobear on Nov 25, 2020 4:59:32 GMT -5
malayansunbear.weebly.com/evolution.html Living organisms must also be able to evolve as a group over time. The evolution of the Malayan Sun Bear is best seen when compared to other species of bears. Compared to other kinds of black bears, the Sun Bear is certainly unique. Suns Bears are the smallest subspecies of the Ursidae family. Their paws are turned inwards, which allows climbing to be accomplished easier. Malayan Sun Bears also have a more flattened chest than other bears, which is also a development that caters their need for climbing. These bears also have power forearms/claws which also allows for easier climbing in the tropics. The Sun Bear's long tongue is also an adaption from the generic Asian Black Bears. The teeth of the Sun Bear have developed to be flatter (unlike the flesh tearing molars they used to have) in order to help with the grinding down of plants. Sun Bears over time have developed a thick layer of skin around their necks. This skin is used during attacks from predators, so that they can turn around and attack back even when grasped at the neck. The Malayan Sun Bears are a prime example of a species that broke off from the original. The developments for climbing the trees of the tropics. The flattened teeth were a development that this subspecies created due to their large consumption of vegetation.
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