But the slow-breeding mammals of the sea have been all but wiped out by humans seeking to satisfy their wants and whims.

但繁衍迟钝的陆地哺乳动物却因为有了同心专心只想满意一已私欲的人类而濒临。

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At sea, as on land, humans have now positioned themselves on the top of the whole great pyramid of life, and they have caused serious problems for the mammals of the sea.

在陆地和海洋，人类都已处在巨大的生物金字塔的最顶端，成为所有生物的主宰，并给海洋哺乳动物带来巨大的危胁。

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You might think, therefore, that modem land tortoises have probably stayed on land ever since those early terrestrial times, as most mammals did after a few of them went back to the sea.

因此，你可能会想，现代陆龟可能从早期的陆栖时代就一直呆在陆地上，就像大多数哺乳动物，他们中的一些返回海洋之后所做的那样。

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Eleven species of mammals and sea creatures, says the council, have still not recovered, including the Pacific herring, which has returned only in small numbers.

FORBES: Magazine Article

Plastics affect our health and the lives of the estimated 1 million seabirds, 100, 000 marine mammals and sea turtles that die every year when they entangle themselves in marine debris or ingest it.

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