Now seal rock has a resident population of fur seals, australian fur seals.

现在海豹岩上栖息着海狗，即澳大利亚海狗。

The resident population of mental hospitals has fallen by 20%.

【resident】精神病院的住院人数降了 20%。

Some threats to whales include boat strikes and fishing gear entanglement, like we see in the endangered North Atlantic gray whale population, or prey loss and noise pollution, like we see in the southern resident killer whale population.

对鲸鱼的一些威胁包括船只撞击和渔具缠绕，就像我们在濒临灭绝的北大西洋灰鲸种群中看到的那样， 或者猎物损失和噪音污染， 就像我们在南部常驻虎鲸种群中看到的那样。