Only an estimated 400 to 600 Sumatran tigers remain on earth.

地球上估计只剩下400到600只苏门达兰虎。

Three Sumatran tiger cubs made their public debut at the London zoo.

三只苏门答腊虎幼崽在伦敦动物园公开亮相。

The population of Sumatran tigers is nearing catastrophic levels listed as a critically endangered species.

苏门达兰虎的数量正接近灾难级的水平，被列为濒临灭绝的物种。

Happy belated birthday to two Sumatran tiger Cubs who explored their new habitat for the first-time last week.

祝两只苏门达兰虎幼崽的生日快乐，他们上周首次探索了他们的新栖息地。

Sumatran tigers are threatened because of the loss of their natural habitat and illegal poaching.

苏门答腊虎因其自然栖息地的丧失和非法偷猎而受到威胁。

Right now I am taking care of our Sumatran tigers, which are the smallest of all tiger species.

现在我正在照顾我们的苏门答腊虎，它们是所有老虎物种中体型最小的。

Suddenly everyone wanted to help save Sumatran tigers from extinction.

突然之间，每个人都想帮助拯救苏门答腊虎免于灭绝。

I still remember when Nisha, one of our Sumatran tigers, died in May 2006.

我还记得 2006 年 5 月我们的一只苏门答腊虎 Nisha 去世的情景。

Last year something very extraordinary happened with our Sumatran tigers, Molek and Oz—they became the proud parents of three tiger cubs.

去年，我们的苏门答腊虎 Molek 和 Oz 发生了一件非同寻常的事情——它们成为了三只虎崽的骄傲父母。