Orcas, or killer whales, are afflicted by bio-accumulation of toxins.

逆戟鲸，或称虎鲸，正饱受毒素生物积累作用的折磨。

In 1986 he went to Augusta, Western Australia, where more than 100 killer whales had beached.

1986年，他去了西澳大利亚的奥古斯塔，那里有100多只虎鲸搁浅。

As one of the most brutal predators, killer whales may not fit the image of a cultured creature.

作为最残忍的掠食者之一，虎鲸可能不符合文明动物的形象。

Of the two plausible explanations for the decline—increased predation by killer whales or disease—disease is the more likely.

对于鲸鱼数量的下降，有两种可能的解释——虎鲸捕食或疾病的增加——疾病的可能性更大。

For a long time, we assumed that all whales that had teeth including sperm whales and killer whales were closely related to one another.

在很长一段时间里，我们认为所有有牙齿的鲸鱼，包括抹香鲸和虎鲸，彼此都是密切相关的。

Like humans, killer whales have colonized a range of different habitats across the globe, occupying every ocean basin on the planet, with an empire that extends from pole to pole.

像人类一样，虎鲸也在全球范围内开拓了一系列不同的栖息地，占据了地球上的每一个海洋流域，拥有一个从一极延伸到另一极的帝国。

The fish are not sharks or killer whales.

这些鱼并不是鲨鱼或逆戟鲸。

Killer Whales are able to learn to speak Dolphin.

逆戟鲸可以学会说海豚语。

Killer Whales are able to learn to speak Dolphin.

虎鲸能学海豚说话。

Since the 1960s, 200 killer whales have died in captivity.

自1960年代起已有200头被捕获的杀人鲸（译注：又名逆戟鲸）死去。

Some killer whales are adept hunters, but picky eaters.

某些杀人鲸擅长狩猎，但是挑食。

We might become meals for killer whales and leopard seals.

因为我们很有可能成为逆戟鲸和豹形海豹得美餐。

Then, when seals became rare, the killer whales turned to sea lions.

接着，当海豹变得稀少后，虎鲸便转向了海狮。

Then, , when seals became rare, the killer whales turned to sea lions.

接着，当海豹变得稀少后，虎鲸便转向了海狮。

The medals are adorned with Native Canadian icons and designs of killer whales.

奖牌用加拿大本地的图标和鲸鱼的捕杀的象征而做装饰。

Killer whales and dolphins show distinct cultural groups within their populations.

虎鲸和海豚在他们的群落中内有着截然不同的文化族群。

Orcas, or killer whales, in the sound are afflicted by bio-accumulation of toxins.

威廉王子湾内的逆戟鲸（虎鲸），即俗称的杀人鲸，正饱受毒素生物积累作用的折磨。

Ocean mammals, including seals, killer whales and dolphins, are also affected."Whether

包海豹，食人鲸和海豚这些哺乳动物都将受到影响。

But newborn dolphins and killer whales can forgo sleeping for their entire first month.

但新生的海豚和虎鲸在它们出生的第一个月可以整个月不睡觉。

Killer whales, however - themselves a species of dolphin - didn't get their name for nothing.

然而，杀人鲸——它们本身也是海豚的一种——却名符其实。

Sea World – See performing killer whales, dolphins, sea lions and many other aquatic creatures.

参观世界闻名的鲸鱼， 海豚表演活动与许多不同的海洋生物。

The seal feels perfectly safe lying on the Antarctic ice even if it is surrounded by a pod of killer whales.

对于海豹来说，即使有一大群虎鲸在他周围，躺在南极的冰面上他也觉得异常完美。

Roughly speaking, these animals filled the ecological niches now occupied by toothed cetaceans such as dolphins and killer whales.

粗略地讲， 这些动物在生态系统中所占的位置现在被海豚和杀手鲸一类的齿鲸类占据。

Birds do it, killer whales do it, and if you happen to work in construction and are really lucky, you might just see a frog do it.

鸟类会唱歌，杀人鲸会唱歌，如果你在工地里上班，也许会幸运地听到青蛙也能唱歌。

As the killer whales moved in, the plucky pinniped leapt on to the vast ribbed belly of a humpback, and nestled in the animal's armpit.

这头杀人鲸游过来的时候，这只勇敢的鳍足类动物跳上了座头鲸庞大的肋腹部，躲在它的腋窝下。

A SeaWorld whale trainer is now nursing a broken foot after one of the park's killer whales dragged the trainer underwater during a show.

海洋世界的一名训鲸师正在小心护理他那只受伤的脚，他是在一次表演中被该公园的虎鲸拖入水后受伤的。