求专家解答,为何说北极熊和棕熊是世界上最强最猛的食肉动物 阿拉斯加棕熊跟北极熊哪个更大、更猛？
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\u5bf9\u5317\u6781\u718a\u6765\u8bf4\uff0c\u5317\u6781\u7fa4\u5c9b\u548c\u963f\u62c9\u65af\u52a0\u6709\u4e2a\u5f88\u5927\u7684\u4e0d\u540c\u3002\u963f\u62c9\u65af\u52a0\u5317\u90e8\u56e0\u5730\u52bf\u8fc7\u4e8e\u5e73\u5766\uff0c\u4e0d\u9002\u5408\u4f5c\u5317\u6781\u718a\u5de2\u533a\uff0c\u5f53\u5730\u6bcd\u5317\u6781\u718a\u90fd\u5728\u6d77\u51b0\u4e0a\u5efa\u5de2\u4ea7\u4ed4\u3002\u800c\u5317\u6781\u7fa4\u5c9b\u90e8\u5206\u5c9b\u5c7f\u6cbf\u5cb8\u662f\u6bcd\u5317\u6781\u718a\u7684\u91cd\u8981\u5de2\u533a\uff0c\u6d41\u6d6a\u516c\u68d5\u718a\u5165\u4fb5\u5317\u6781\u7fa4\u5c9b\u5c06\u7ed9\u5317\u6781\u718a\u5e7c\u4ed4\u5e26\u6765\u5f88\u5927\u5a01\u80c1\u3002
1991\u5e745\u6708\uff0c\u751f\u7269\u5b66\u5bb6Taylor\u5728\u6885\u5c14\u7ef4\u5c14\u5b50\u7235\u6d77\u5ce1\uff08\u4f4d\u4e8e\u6885\u5c14\u7ef4\u5c14\u5c9b\u535760\u5343\u7c73\u5904\uff09\u7684\u6d77\u51b0\u4e0a\u53d1\u73b0\u4e86\u4e00\u53ea320\u5343\u514b\u7684\u5927\u516c\u68d5\u718a\uff0c\u5b83\u521a\u6355\u6740\u4e86\u4e24\u53ea\u6d77\u8c79\u30023\u5929\u540e\uff0c\u8fd9\u53ea\u5927\u516c\u718a\u53c8\u6355\u98df\u4e86\u4e00\u53ea\u4e24\u5c81\u591a\u7684\u5c0f\u5317\u6781\u718a\u3002
\u5927\u516c\u68d5\u718a\u5bf9\u6bcd\u5317\u6781\u718a\u548c\u5e7c\u718a\u6765\u8bf4\u662f\u4e2a\u5a01\u80c1
\u5317\u6781\u718a\u548c\u68d5\u718a\u80fd\u81ea\u7531\u4ea4\u914d\uff0c\u4ea7\u751f\u5b8c\u5168\u53ef\u80b2\u7684\u540e\u4ee3\uff0c\u7531\u4e8e\u5317\u6781\u7fa4\u5c9b\u6ca1\u6709\u6bcd\u68d5\u718a\uff0c\u516c\u68d5\u718a\u4f1a\u8feb\u5207\u5bfb\u6c42\u4e0e\u6bcd\u5317\u6781\u718a\u4ea4\u914d\u7684\u673a\u4f1a\uff0c\u800c\u6740\u6b7b\u5e7c\u718a\u662f\u523a\u6fc0\u6bcd\u718a\u5c3d\u5feb\u53d1\u60c5\u7684\u6709\u6548\u65b9\u6cd5\u3002
2006\u5e74\uff0c\u4eba\u4eec\u5728\u73ed\u514b\u65af\u5c9b\u5c04\u6740\u4e86\u7b2c\u4e00\u53ea\u6742\u4ea4\u718a\uff0c\u5176\u7236\u4eb2\u4e3a\u68d5\u718a\uff0c\u6bcd\u4eb2\u4e3a\u5317\u6781\u718a\u3002\u4e4b\u540e\u53c8\u9646\u7eed\u53d1\u73b0\u4e867\u53ea\u6742\u4ea4\u718a\u3002\u7ecfDNA\u68c0\u6d4b\u53d1\u73b0\uff0c\u8fd9\u4e9b\u6742\u4ea4\u718a\u5747\u4e3a\u540c\u4e00\u53ea\u6bcd\u5317\u6781\u718a\u4e0e\u4e24\u53ea\u516c\u68d5\u718a\u7684\u540e\u88d4\uff0c\u73b0\u5728\u5df2\u7e41\u6b96\u5230\u7b2c\u4e8c\u4ee3\uff1b\u5176\u4e2d\u4e00\u53ea\u4e8c\u4ee3\u6742\u4ea4\u718a\u4e3a\u4e00\u4ee3\u6742\u4ea4\u718a\u5973\u513f\u4e0e\u68d5\u718a\u7236\u4eb2\u7684\u8fd1\u4eb2\u4ea4\u914d\u540e\u4ee3\u3002
\u5728\u5317\u6781\u7fa4\u5c9b\uff0c\u68d5\u718a\u6253\u8fdb\u4e86\u5317\u6781\u718a\u8001\u5de2\uff0c\u5403\u7740\u5317\u6781\u718a\u5bb6\u91cc\u7684\u98df\u7269\uff0c\u6740\u5bb3\u5c0f\u718a\uff0c\u201c\u5f3a\u5978\u201d\u6bcd\u718a\uff0c\u8fd8\u5e72\u8106\u5728\u8fd9\u91cc\u4f4f\u4e86\u4e0b\u6765\u3002\u800c\u5728\u6574\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u6210\u5e74\u516c\u5317\u6781\u718a\u5374\u6ca1\u6709\u7ad9\u51fa\u6765\u5236\u6b62\u68d5\u718a\u7684\u6076\u884c\uff0c\u5b83\u4eec\u53bb\u54ea\u4e86\u5462\uff1f
Taylor\u6307\u51fa\uff0c\u5f53\u65f6\u5728\u6885\u5c14\u7ef4\u5c14\u5b50\u7235\u6d77\u5ce1\uff0c\u5927\u4e2a\u4f53\u516c\u5317\u6781\u718a\u90fd\u88ab\u730e\u6740\u4e86\uff0c\u90a3\u53ea\u5927\u516c\u68d5\u718a\u5c31\u662f\u5f53\u5730\u6700\u5f3a\u7684\u718a\u4e86\u3002\u7136\u800c\u5373\u4f7f\u5927\u516c\u5317\u6781\u718a\u5b58\u5728\uff0c\u4e5f\u96be\u4ee5\u6709\u6548\u5236\u7ea6\u516c\u68d5\u718a\u8fd9\u4e2a\u6076\u5f92\uff0c\u8fd9\u662f\u7531\u5317\u6781\u718a\u548c\u68d5\u718a\u7684\u4e0d\u540c\u4e60\u6027\u51b3\u5b9a\u7684\u3002
2012\u5e74\uff0c\u5728\u7ef4\u591a\u5229\u4e9a\u5c9b\u4e0a\u62cd\u6444\u7684\u7591\u4f3c\u6742\u4ea4\u718a
\u6b63\u5e38\u6765\u8bb2\uff0c\u516c\u5317\u6781\u718a\u4ece4\u4e2a\u6708\u5927\u8ddf\u7740\u5988\u5988\u8e0f\u4e0a\u6d77\u51b0\u90a3\u4e00\u5929\u8d77\uff0c\u5c31\u7ec8\u751f\u4e0d\u4f1a\u518d\u8e0f\u4e0a\u9646\u5730\uff08\u9664\u975e\u5f53\u5730\u6d77\u51b0\u5168\u90e8\u878d\u5316\uff09\u3002\u6000\u5b55\u6bcd\u5317\u6781\u718a\u5219\u8981\u56de\u5230\u5de2\u533a\u751f\u4ea7\u3002\u56e0\u6b64\uff0c\u516c\u68d5\u718a\u53ea\u8981\u5b88\u5728\u5317\u6781\u718a\u5de2\u533a\u7b49\u7740\u6bcd\u5317\u6781\u718a\u56de\u5bb6\u5c31\u53ef\u4ee5\u3002\u5728\u6d77\u51b0\u4e0a\u6f02\u6cca\u7684\u516c\u5317\u6781\u718a\uff0c\u88ab\u6234\u4e86\u7eff\u5e3d\u5b50\u5374\u6d51\u7136\u4e0d\u77e5\u3002
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Polar bear\u2013grizzly bear interactions during the autumn open-water period in Alaska.Most Northerly Observation of a Grizzly Bear (Ursus arctos) in Canada:Photographic and DNA Evidence from Melville Island, Northwest Territories.Grizzly Bear Sightings in Viscount MelvilleSound.Hybridization, ecological races and the nature of species: empirical evidence for the ease of speciationRecent Hybridization between a Polar Bear and Grizzly Bears in the CanadianArctic.Along Canada\u2019s Hudson Bay, researchers have found grizzly, black and polar bears together for the first time.A phenological comparison of grizzly (Ursus arctos) and polar bears (Ursus maritimus) as waterfowl nest predators in Wapusk National Park.The early bear gets the goose: Climate change, polar bears and lesser snow geese in western Hudson Bay.Genomic Evidence for Island Population Conversion Resolves Conflicting Theories of Polar Bear Evolution.
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因为他是陆地上体型最大的食肉动物，就这么简单。棕熊大部分是杂食性动物并不是食肉动物
北极熊是纯粹的食肉动物
虽然北极熊和棕熊都被划分到熊亚科但是细分还有是不同的，棕熊类是个大家族，北极熊就这一个独苗苗。
棕熊里面有代表熊类最大的科迪亚克棕熊（平均体重800公斤，最高纪录1134公斤）
北极熊是第二大的熊类（平均体重750公斤，最高纪录未查）
因为他有极强的防御力和攻击力、
自己试试！！！
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