The musk oxen have recently given birth.

麝牛最生了幼仔。

For the North American musk oxen, this is rutting season.

对北美麝牛来说，这正是求偶的季节。

The flourish of vegetations signals the Muskoxen to move away from their winter homes.

茂盛的植被为麝牛发出信号，它们开始离开过冬的家园。

Mammoths, musk oxen, giant sloths, dogs, wolves, horses and even Neanderthals were all jealously guarded by other researchers.

猛犸象、麝牛、巨型树懒、狗、狼、马、甚至尼安德特人，都被其他研究人员小心翼翼地把守着。

The idea here is to gauge the response of musk oxen to this formerly rare threat.

博格的目的是评估麝牛面对这种罕见威胁时的反应。

" So I just don't approach, at least initially, a group of musk oxen."

“不会靠，至少不会从一开始就靠一群麝牛。”

With temperatures plummeting again to well below freezing, Muskoxen face the most formidable opponent of all, the Arctic winter.

气温再降下，远远低于零。麝牛毅面对最强大的对手，北极寒冬。

The moment the musk ox spot the wolf, they instinctively form a defensive ring to shield their young.

麝牛一发现狼，它们就本能地组成防护圈保护幼崽。

The Muskoxen continue to stock up vital reserves ahead of the scarcity of winter.

麝牛继续为食物短缺的冬季提前做好充分储备。

But with so many adult surround, each weighing nearly five hundred kilos, the odds are stacked against the wolves.

不过有这么多成年麝牛在四周保护，而每头都重达五百公斤，形势对狼群是不利的。

The Muskox, Scandinavia's prehistoric giants, make the most of autumn's bounty.

麝牛，斯堪的纳维亚的史前巨兽充分利用秋天的恩赐。

Around ten thousand musk oxen tough out Greenland's winter with the temperatures drop below minus fifty degree Celsius and winds can reach almost a hundred kilometers an hour.

大约有一万头麝牛顽强地挺过格陵兰的寒冬，这里的气温能降至零下五十摄氏之下，而风速几乎可达每小时一百公里。

The musk oxen are one of the tundra's hardiest animals. But one mammal has mastered the tundra like no other.

麝牛是苔原上最顽强的动物之一，但另一种哺乳动物却以不同寻常的方式征服了苔原。

We're trying to bring bison, we're trying to bring musk ox, horses, reindeer.

们正试图引入野牛，们正试图引入麝牛，马和驯鹿。

Caribou, musk ox and polar bears all live in this icy area.

驯鹿、麝牛和北极熊都生活在这个冰冷的地区。

When a muskox came up to a a den of pups while I was studying them, it was really the female that tended to be the most protective of the pups.

当研究麝牛时，有一只麝牛走了幼崽的巢穴，真正最保护幼崽的通常是雌性。

The Arctic National Wildlife Refuge is roughly the size of South Carolina, an area of northeast Alaska with no roads but abundant wildlife like caribou, muskox and polar bears.

北极国家野生动物保护区的面积大约相当于南卡罗来纳州，位于阿拉斯加东北部，这里没有公路，但野生动物资源丰富，有驯鹿、麝牛和北极熊等。

The ice-breakers create an opening for other over-winterers.

麝牛破冰也为其它越冬的动物创造机会。

In the 19th and 20th centuries at least six large mammals—the eland, elk, moose, musk ox, zebra, and American bison—have been the subjects of especially well-organized projects aimed at domestication, carried out by modern scientific animal breeders and geneticists.

在 19 世纪和 20 世纪，至少六种大型哺乳动物——大羚羊、麋鹿、驼鹿、麝牛、斑马和美洲野牛——一直是由现代科学动物饲养者和科学家实施的精心组织的驯化项目的主题。遗传学家。

Such behavior is common among many large mammals, including antelope, big horned sheep, bison and musk oxen.

这种行为在许多大型哺乳动物中很常见，包括羚羊、大角羊、野牛和麝牛。