The little shellfish is eaten by baleen whales, salmon, herring and various seabirds.
这种小贝类是须鲸、鲑鱼、鲱鱼和各种海鸟的食物。
Each side of the upper jaw has 350-400 baleen plates.
上颌两侧各有350-400个鲸须板。
Baleen traps prey when the whale expels water.
布赖德鲸通过排出水流就可以捕食猎物。
Other baleen whales are the blue, fin, gray, humpback, and sei whales and the rorqual.
其它的须鲸有蓝鲸、鳍鲸、灰鲸、驼背鲸、鳕鲸和鲸。
Populations of large baleen whales now store only 15 percent of the carbon they had before whaling.
大长须鲸种群现在所储存的碳只有捕鲸前的15%。
Large baleen whales primarily use the lower frequencies and are often limited in their repertoire.
大的须鲸主要使用低频，在它们所有的技能中它们使用的很少。
Modern baleen whales, such as blue whales, can filter small Marine creatures from huge volumes of water.
现代的须鲸，如蓝鲸，可以从，从大量的水中过滤小海洋生物。
Surfacing in warm winter waters off the Baja California coast, a gray whale flashes its baleen plates by a boat.
下加利福尼亚海岸(Baja California coast)附近，在冬日温暖的海水里，一条灰鲸浮在水面上，露出了鲸须板，旁边是一条船。
But it is easier to hear the baleen whale, with its lower-frequency call, than the beaked whales, says Theriault.
但是，Theriault说，和喙鲸相比，须鲸发出的叫声频率更低，更容易听到它发出的声音。
Many species of whales, in general can be divided into two categories: one category is the baleen whales, no teeth;
鲸的种类很多，总的来说可以分为两大类：一类是须鲸，没有牙齿；
Moreover, the bones in the front part of a baleen whale's lower jaw, or mandible, aren't fused as they are in other mammals.
另外，须鲸下颚前部的骨骼，也就是所说的下颌骨，并不像其他哺乳动物一样是愈合在一起的。
Baleen species, on the other hand, appear to have some related brain structures but it is not known whether these are functional.
另一方面，鲸须类出现拥有相同的脑结构但是不知道他们是否有用。
Baleen whales have been tracked by autonomous gliders before, by researchers at Woods Hole Oceanographic Institution, Massachusetts.
马萨诸塞州的WoodsHole Oceanographic研究的研究员们以前是用自主滑翔器来跟踪须鲸。
However, the position of the eyes so restricts the field of vision in baleen whales that they probably do not have stereoscopic vision.
但是眼睛的位置如此严重地限制了须鲸的视野，以致于它们可能不具备立体视觉。
Unlike orca, which are odontocetes or toothed whales, humpbacks are mysticetes, harmless leviathans with only baleen plates in their mouths.
座头鲸不像齿鲸亚目鲸或齿鲸，它们是须鲸亚目、无害的大海兽，嘴里只有须鲸板。
They are one of only three known shark species that filter feed, as baleen whales do, swimming slowly through plankton-rich water, maws agape.
人类已知只有三种鲨鱼是过滤取食的，鲸鲨就是其中一种。取食的时候，它们就像长须鲸一样大张着嘴，缓慢地游过长满了浮游生物的水域。
If we want to understand the factors that led to gigantism in baleen whales, we'll need to look at fossils yet to be discovered or described.
如果我们想更进一步弄清楚导致须鲸体型巨大的缘由的话，我们还需那些尚未被发掘或还原出得化石来佐证。
The seabirds abandoned fish in favor of krill, shrimp -like crustaceans that are a major component in the diets of fur seals and baleen whales.
这种不会飞的海鸟不再喜欢吃鱼，而是转向了有皮毛的海豹和须鲸类喜食的磷虾和虾类的甲壳动物。
One group of whales has, instead of teeth, long strips of bone, hanging from their upper jaw. This is the baleen whale, the largest animal in the world.
有一类鲸鱼，用从上额骨垂下来的长条状的骨头代替牙齿，它就是须鲸，是世界上最大的动物。
It was a time when the killer whales, or "killers" as they were then called, helped the whalers catch the baleen whales that were on their annual migration.
在那个时期，杀人鲸，正如当时他们被称呼的，帮助捕鲸者捕杀在每年迁移途中的须鲸。
Baleen whales, including the humpback whales and blue whales, are toothless and instead use hairlike structures called baleen to filter tiny prey such as krill from seawater.
长须鲸包括座头鲸和蓝鲸都是没有牙齿的，它们用一种类似毛发般的细小结构——鲸须作为替代捕食方法，利用它们过滤海水中的食物，例如磷虾。
Baleen whales, including the humpback whales and blue whales, are toothless and instead use hairlike structures called baleen to filter tiny prey such as krill from seawater.
长须鲸包括座头鲸和蓝鲸都是没有牙齿的，它们用一种类似毛发般的细小结构——鲸须作为替代捕食方法，利用它们过滤海水中的食物，例如磷虾。
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