Wildlife like polar bears and walruses that depend on sea ice to live is also in danger.
像北极熊和海象这样依靠海冰生存的野生动物也处于危险之中。
Each spring, thousands of walruses return to the Walrus Islands in northern Bristol Bay to feed, rest, and sometimes die.
每年春天，成千上万只海象返回到布里斯托尔湾北部的海象群岛觅食、休憩、有时死亡。
Moreover, walruses and seals drive themselves through the water with thrusts of their hind flippers, but sea lions use their front flippers.
此外，海象和海豹用它们的后鳍推动自己在水中运动，而海狮用它们的前鳍。
Biologists have long maintained that two groups of pinnipeds, sea lions and walruses, are descended from response to similar environmental pressures.
生物学家们长期认为，两类鳍脚亚目动物，即海狮和海象，都是从一种陆地上的类似于熊的动物繁衍而来的。
Walruses are known for their.... - tusks.
而海象以其。-以其长牙而闻名。
Walruses have enormous appetites and hunt for food almost constantly.
海象食欲极大，几乎一直在猎取食物。
Several thousand walruses are on the beach, packed shoulder to shoulder.
数千海象伏在海岸上，摩肩擦踵。
Henry, the boys tell me you're setting sail for Alaska to study walruses.
亨利我听说你在准备开船去阿拉斯加 acis模块观察海象。
Two Atlantic walruses snuggle on an ice floe near Igloolik , Nunavut, Canada.
加拿大努勒维特伊格卢利克附近，两头大西洋海象在浮冰上相互偎依。
Female walruses also take to the ice to give birth, and to care for their young.
雌性的海象通常还会在冰块上产子和照顾幼仔。
The Sea also has a large amount of ice, where walruses and polar bears can rest.
而且，这片海洋有大量的冰块可供海象和北极熊栖息。
They say this would threaten walruses and the whole ecosystem in the Arctic Ocean.
他们说，这会严重威胁到这些海象，甚至是北冰洋的整个生态系统。
Atlantic walruses look for some personal space in Alaska's Togiak National Wildlife Refuge.
大西洋海象在阿拉斯加托吉克国家野生动物保护区寻找到一些个人空间。
More than one hundred thirty walruses died during similar conditions in two thousand nine.
在2009年，就有一百三十多只海象因为类似的拥挤环境而死亡。
We also tell about a new law to protect sharks, and how melting ice is a threat to walruses.
然后会讲到一项保护鲨鱼的新法规，以及冰川融化对海象的影响。
In fact some dog breeds’ heads vary in shape by more than the variation between cats and walruses.
事实上，有些品种的狗在颅骨形状上的变化已经比猫和海象种群中发生的变化还要大。
No, we are not talking about holiday travelers enjoying a visit to Alaska. These were walruses!
别误会，我们现在所说的这些家伙并不是指在阿拉斯加享受假日的游客，而是海象。
Many of the men spend weeks away from home hunting seals, narwhal, walruses, whales and other mammals.
许多男性离家数周捕猎海豹、独角鲸、海象、鲸鱼和其他哺乳动物。
A great number of polar owls, white geese, brant geese, Arctic foxes, walruses and other animals live here.
大量的白猫头鹰，白鹅，黑雁，北极狐，海象以及其它动物在这里生存。
Earlier this year, American officials considered listing the walruses under the Endangered Species Act.
今年早期，美国官员考虑把海象列入濒危物种法案内。
Polar bears, which hunt for seals along the ice’s edge, and walruses, which fish there, will both be hard-hit.
北极熊，他们沿着冰层边缘捕猎海豹，还有在那里捕鱼的海象都将受到严重的影响。
Polar bears and walruses, for example, live and breed on the ice and use it as a place from which to hunt.
例如北极熊和海象在冰面上生活和繁殖，并以此作为狩猎之地。
Polar bears, which hunt for seals along the ice's edge, and walruses, which fish there, will both be hard-hit.
沿着浮冰边缘狩猎海豹的北极熊，和在此捕鱼的海象，都将受到沉重打击。
These swimmers, who called themselves the "the Walruses", waited for their turns to plunge into the icy water.
这些自称为“海象”的泳客在轮流等待着跳入冰冷的水中。
Fischbach has been attaching satellite radio tags on the walruses to try to figure out how the animals are coping.
菲施巴赫将卫星信号签贴在海象身上试图弄清这些动物如何生存。
Doctor: Henry, the boys tell me you're setting sail for Alaska to study walruses. When does that adventure begin?
医生：他们说你要开船去阿拉斯加研究海象，这是何时开始的?。
The vast majority of walruses in the Chukchi each summer are females who fatten up on clams that populate the seafloor.
每年夏天生活在楚科奇海域的绝大部分海象都是雌海象，它们吃食遍布海底的蛤蜊储蓄脂肪。
Each spring thousands of walruses return to the walrus Islands in northern Bristol Bay to feed, rest, and sometimes die.
每年春天，成千上万的海象返回到布里斯托尔海湾北部的海象群岛，喂养、休憩、有时死亡。
Each spring thousands of walruses return to the walrus Islands in northern Bristol Bay to feed, rest, and sometimes die.
每年春天，成千上万的海象返回到布里斯托尔海湾北部的海象群岛，喂养、休憩、有时死亡。
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