海象需要在冰面或陆地休息。
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。
Wildlife like polar bears and walruses that depend on sea ice to live is also in danger.
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。
Moreover, walruses and seals drive themselves through the water with thrusts of their hind flippers, but sea lions use their front flippers.
仪式权杖柄是用一种小型的北极独角鲸的牙齿制成的。门柄是用海象的牙齿制成的。
The shaft of the ceremonial mace is the whorled tusk of a narwhal, a small Arctic whale. The door handles are of walrus tusk.
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。
Each spring, thousands of walruses return to the Walrus Islands in northern Bristol Bay to feed, rest, and sometimes die.
美国鱼类和野生动物服务局将在一月份做出是否将海象列入《濒危物种法案》清单中的决定。
The U.S. Fish and Wildlife Service expects to make a decision on whether to list the walrus in the Endangered Species Act in January.
莫尔斯是海象出现之前的另一个名字，且似乎已经传播到其他语言，唯独在英语中却不再使用。
Morse was yet another name that appeared before walrus and seems to have spread to other languages only to drop out of use in English.
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。
Biologists have long maintained that two groups of pinnipeds, sea lions and walruses, are descended from response to similar environmental pressures.
在一座满是湾和海象的冰川上，俄罗斯在一座可以俯瞰其研究基地的小山上建造了南极洲的第一座东正教教堂。
On a glacier filled island with fjords and elephant seals, Russia has built Antarctica's first Orthodox church on a hill overlooking its research base.
在一座满是冰川、有峡湾和海象的岛屿上，俄罗斯在一座可以俯瞰其研究基地的小山上建造了南极洲的第一座东正教教堂。
On a glacier-filled island with fjords and elephant seals, Russia has built Antarctica's first Orthodox church on a hill overlooking its research base.
数千海象伏在海岸上，摩肩擦踵。
Several thousand walruses are on the beach, packed shoulder to shoulder.
海象食欲极大，几乎一直在猎取食物。
Walruses have enormous appetites and hunt for food almost constantly.
在俄罗斯，“海象”俱乐部就是由冬泳爱好者组成的。
菲施巴赫说：“我只看到了数量很少的幼海象。”
"I only see a small number of yearling calves," Fischbach says.
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。
Fischbach has been attaching satellite radio tags on the walruses to try to figure out how the animals are coping.
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。
Many of the men spend weeks away from home hunting seals, narwhal, walruses, whales and other mammals.
靠着捕猎北极熊和海象，他们很快就吃上了丰富的鲜肉并恢复了体力。
Hunting polar bear and walrus, they soon had fresh meat aplenty and regained their strength.
沿冰层边缘捕食海豹的北极熊和在那里捕鱼的海象都将受到严重影响。
Wildlife will also suffer. Polar bears, which hunt for seals along the ice’s edge, and walruses, which fish there, will both be hard-hit.
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。
A great number of polar owls, white geese, brant geese, Arctic foxes, walruses and other animals live here.
海象是高度群居动物，经常聚成一大群，通过大声吼叫或喷气进行交流。
Walruses are highly social animals, frequently congregating in large groups and communicating with loud bellows and snorts.
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。
Atlantic walruses look for some personal space in Alaska's Togiak National Wildlife Refuge.
与海豹不同，海象不能随时游泳，它们在捕食后必须稍作休息。
Unlike seals, they cannot swim indefinitely and must pause after foraging.
南方象海象也数量骤降，它被大量捕杀是因为人们要从它的脂肪中提炼油。
The southern elephant seal too would be brought low, killed in great Numbers for the oil rendered from its blubber.
由于夏季海冰消失，一个环保组织正在寻求将海象列为濒危或受威胁物种。
An environmental group is seeking to list the walrus as an endangered or threatened species because of disappearing summer sea ice.
它们常常把小海象留在浮冰上，以避免陆地上拥挤海象群的碰撞。
They often keep their young on ice floes to avoid the crush of the jostling walrus crowds on land.
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, which hunt for seals along the ice’s edge, and walruses, which fish there, will both be hard-hit.
加拿大努勒维特·伊格·卢利克附近冰排上，一头大西洋母海象照顾着她的小海象。
A mother Atlantic walrus watches over her pup on an ice floe near Igloolik, Nunavut, Canada.
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。
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。
In fact some dog breeds’ heads vary in shape by more than the variation between cats and walruses.
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