Naturally, Stolzenburg says, scientists are concerned about the long-term impact the rats might have on the auklet population.
Stolzenburg说，很自然，科学家们非常关心老鼠对小海雀的种群数量造成的长期影响有多大。
The team found that populations of seabird species the eagles had historically preyed on, such as Brandt's cormorant and Cassin's auklet, are now greatly reduced on the islands.
研究小组发现，曾经作为白头海雕捕食对象的海鸟种群，如布氏鸬鹚和卡辛氏海雀，在海峡群岛上的数量大大减少。
The team found that populations of seabird species the eagles had historically preyed on, such as Brandt's cormorant and Cassin's auklet, are now greatly reduced on the islands.
研究小组发现，秃鹰之前捕食的海鸟目前数量急剧减少，如勃兰特岛鸬鹚和卡森岛海雀。
The team found that populations of seabird species the eagles had historically preyed on, such as Brandt's cormorant and Cassin's auklet, are now greatly reduced on the islands.
研究小组发现，秃鹰之前捕食的海鸟目前数量急剧减少，如勃兰特岛鸬鹚和卡森岛海雀。
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