1·The population of the spruce budworm, the warbler's favorite prey in North America, has been dropping.
北美莺最喜欢的猎物云杉芽虫的数量一直在下降。
2·Mountaintop coal mining in Appalachia clears patches of forest contributing to the decline of birds like the cerulean warbler that breeds and forests in treetops.
在阿巴拉契亚的山顶的煤矿开采导致森林许多小片土地的减少，从而像蓝鹂莺这样的鸟类繁殖减少。
3·The birds in this study were Central European blackcaps, a common kind of warbler.
进入生物学家们视野的这种鸟名叫黑头莺，欧洲常见的一种鸣鸟。
4·The eradication of cowbirds has been going on for a while here in an effort to study the effect of their parasitism on endangered birds such as the black-capped vireo and the golden-cheeked warbler.
在这里，根除燕八哥的活动已经进行了一段时间，目的是研究它们对黑头绿鹃和金颊莺之类濒危鸟类的寄生影响。
5·Some fear the new protections might push species such as the Texas kangaroo rat or the golden-winged warbler down the same road to extinction as the ivory-billed woodpecker.
许多人担心新一轮的保护措施可能会使许多物种比如德克·萨斯大袋鼠或者金翅莺重蹈象牙喙啄木鸟的覆辙从而走向灭绝。