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- But big baleen whales often run silent. 而大型须鲸常常不声不响地前行。
- Other baleen whales have splash guards too, but not like this. 一些须鲸物种头顶也有护住喷水孔的构造，但并不长成这样。
- Baleen whales often appear in this region. Be careful! 这一带经常有须鲸出没,要注意安全啊!
- The collection of small marine crustaceans of the order Euphausiacea that are the principal food of baleen whales. 磷虾:磷虾目中小型海洋甲壳纲动物的总称,是长须鲸的主要食物。
- The elastic, horny material forming the fringed plates that hang from the upper jaw of baleen whales and strain plankton from the water. 鲸须指形成垂挂于长须鲸上颚的有弹性、象角质一样半透明的材料，可将浮游生物从水中滤出
- Large baleen whales primarily use the lower frequencies and are often limited in their repertoire. 大长须鲸最初使用低频，他们的全套本领很有限。
- Baleen whales use their huge mouths the filter small plants and creatures for food out the water. 须鲸用他们的大嘴来过滤水中小型的植物及生物作为粮食。
- He remarks that some rudimentary organs, such as teeth in baleen whales, are found only in embryonic stages. 他说，一些痕迹器官（如须鲸的牙齿）只在胚胎阶段能被发现。
- The elastic,horny material forming the fringed plates that hang from the upper jaw of baleen whales and strain plankton from the water. 鲸须指形成垂挂于长须鲸上颚的有弹性、象角质一样半透明的材料，可将浮游生物从水中滤出
- 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，由于眼睛的位置太受约束，长须鲸可能没有立体视觉。
- Later in the evolution of whale hearing, the toothed and baleen whales parted ways. 鲸豚听觉的演化到了后期，齿鲸与须鲸就分道扬镳了。
- The microscopic teeth of the Gillicus suggest it was a filter feeder that ate zooplankton, similar to today's baleen whales. 这种精微的牙齿暗示着鳃腺鱼是一种过滤性的进食者，主要摄食浮游动物，与现今的须鲸相类似。
- Baleen whales have been tracked by autonomous gliders before, by researchers at Woods Hole Oceanographic Institution, Massachusetts. 马萨诸塞州的WoodsHoleOceanographic研究的研究员们以前是用自主滑翔器来跟踪须鲸。
- 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。
- Baleen whales often appear in this region. Be careful! A whale was beached on the shore. 这一带经常有须鲸出没，要注意安全啊！
- It was a time when the killer whales,or "killers" as they were then called,helped the whales catch the baleen whales that were on their annual migration. 那个时期，虎鲸（当时被称为“杀手”）帮助捕鲸人在每年须鲸迁徙时捕捉须鲸。
- 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。
- 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，用从上颚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。
- Mottled, blue-gray baleen whale (Balaenoptera musculus), also called sulfur-bottom whale because of the yellowish diatoms on some individuals. 一种带有淡色斑点的蓝灰色须鲸，学名Balaenoptera musculus，亦称硫底鲸，因为有些个体的身上长有浅黄色的矽藻而带硫黄色。
- When it comes to big gulps, baleen whales take the prize.Scientists have measured the volume of water engulfed when fin whales lunge after prey, and calculate it to be about the size of a bus. 免责声明：本站数据全部由蜘蛛程序自动抓取而来，且仅提供文章链接及部分摘要信息，文章所持观点和本站无关，请点击原文链接查看原作者和出处！
