With only 240 white tigers living in the world, their birth gave a boost to the animals' endangered population.

鉴于目前仅存240只白虎，它们的诞生对日益减少的白虎数量是个帮助。

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According to the World Wildlife Fund, the global black rhino population has dropped as low as 5500, giving the rhinos a "critically endangered" status.

根据世界自然基金会表示，全球的黑犀牛数量已下降至5500头，使犀牛处于“极度濒危”状态。

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The latest version of the department's annual State of the Birds report shows that nearly a third of the nation's 800 bird species are endangered, threatened or suffering from population decline.

该部门年度鸟类报告的最新数据显示，美国大约800个鸟类物种的三分之一由于种群数量减少而濒临灭绝。

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Patil says protecting this endangered population needs to be a priority for the country.

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Plus, the island is home to Hong Kong's endangered population of water buffalo, who can often be seen lumbering along the beach.

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The unit is for inmates whose safety would be endangered in a general population prison yard, and it still functions like such a yard, she said.

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