发布在脸书上的一段有关这只熊的视频中,它看起来比较健康,行动也很迅速。
In a video posted to Facebook featuring the bear, it appeared to be in relatively good health and was moving quickly.
黑熊幼崽用树来防御,而经常生活在没有树的环境中的棕熊和北极熊则依靠攻击性来保护它们的幼崽。
Black bear cubs use trees for defense, whereas brown bears and polar bears, which regularly inhabit treeless environments, rely on aggression to protect their cubs.
海龟、北极熊和大熊猫只是世界上成千上万濒临灭绝的动物中的一部分。
Sea turtles, polar bears and giant pandas are just some of the thousands of animals in this world that are at risk of extinction.
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