There are black bears and brown bears.
有黑熊，还有棕色的熊。
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.
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。
North America kept its deer, black bears and a small type of bison, and South America its jaguars and llamas.
北美保留了鹿、黑熊和一种小型野牛，南美洲保留了美洲豹和美洲驼。
With a habitat that includes much of North America, black bears are seen fairly often in this region of New Jersey.
由于他们的栖息地包含了北美的绝大部分，黑熊在新泽西州的这个地区经常被看到。
Black bears feed on leaves, herbs. Fruit, berries, insects, fish, and even larger animals.
黑熊以树叶、草、树根、水果、浆果、昆虫、鱼，甚至更大的动物为食。
Asian black bears are dispersed from Iran to Japan to the whole Southeast Asia, ranking one of eight species of bears around the world.
亚洲黑熊分布在从伊朗到日本以及东南亚的整个亚洲地区，是世界八大种熊类之一。
Black bears feed on leaves, herbs, roots, fruit, berries, insects, fish, and even larger animals.
黑熊以树叶、草、树根、水果、浆果、昆虫、鱼，甚至更大的动物为食。
In our zoo there are also brown bears, black bears and white bears.
我们的动物园里还有棕熊、黑熊和白熊。
The demand for the organs has created a high black market demand for Asiatic black bears, whose Numbers have dwindled to 25, 000 in the wild.
由于对器官的需求，亚洲黑熊在黑市上有很高的需求，这种熊野生的数量已经减少到了25000只。
Black bears are the smallest of all American bears, ranging in length from five to six feet, weighing from three hundred to five hundred pounds.
黑熊是所有美洲熊中最小的，5 ~6英尺长，300 ~ 500磅重。
Black bears are one of the largest mammals in North America. They're about three feet high at the shoulder and six feet long and can easily weigh 300 pounds.
黑熊是北美最大型的哺乳动物之一，四肢着地肩高约有0.91米，身长约1.83米，体重大多在270公斤以上。
Black bears can live as long as thirty years in the wild, and even longer in game preserves set aside for them.
黑熊在野外可以活到长达30年，在专门的保护区中甚至能活得更长。
Currently, there are only 25,000 wild black bears remaining around the world.In China, there are approximately 16,000 living in Northeast China, Sichuan Province and Yunan Province.
目前全世界野外黑熊数量仅剩25000只，中国大概有16000只，像东北、四川、云南都是养熊大省。
Alaskan black bears hibernate for up to seven months a year, during which time they do not eat or drink, before waking up in virtually the same physical state they fell asleep in.
阿拉斯加黑熊每年冬眠7个月，冬眠期间不吃不喝，而且一直保持睡眠时的体力直到醒来。
They say it's safe to yell and throw rocks from a distance — never corner a bear — because black bears are generally timid and would rather run than confront.
他们说，从远处向熊大喊大叫和扔石头都是安全的，因为黑熊一般来说都很胆小，遇到对抗往往选择逃跑——但千万不能把熊逼得无路可逃。
In Baimaxueshan for example, while the population of the Yunnan Golden Hair Monkey does not show a clear change, the populations of black bears and porcupines have increased.
例如，在白马雪山保护区，尽管云南金丝猴种群数量并没有明显变化，但黑熊和豪猪的种群数量均有所增加。
Because of the awfully poor living conditions, black bears will be infected with various diseases, suffering in the piercing pain until death.
因为恶劣的养殖条件患上各种疾病的黑熊，最后结局就是在病痛中苟延残喘直到死亡。
It also contains Asiatic black bears, egrets and, according to some, an extremely rare subspecies of the Siberian tiger.
在这片区域内还有亚洲黑熊、白鹭。据说这里还栖息着西伯利亚虎的某个极稀有亚种。
Relying on mechanisms that scientists would love to understand, black bears spend five to seven months without eating, drinking or taking a single bathroom break.
依靠着科学家们希望能够理解的机理，黑熊可以在五至七个月中不吃不喝，甚至不排泄废物。
He and his colleagues get such abundant data by volunteering to take in black bears that have developed a taste for foraging close to people and are about to be killed as menaces.
他和他的同事自愿收养了几头养成了在人类附近生活，本将因其威胁性而被杀害的黑熊，从而获得了大量数据。
He and his colleagues get such abundant data by volunteering to take in black bears that have developed a taste for foraging close to people and are about to be killed as menaces.
他和他的同事自愿收养了几头养成了在人类附近生活，本将因其威胁性而被杀害的黑熊，从而获得了大量数据。
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