In 1934, with the passage of the Migratory Bird Hunting Stamp Act (Act), an increasingly concerned nation took firm action to stop the destruction of migratory waterfowl and the wetlands so vital to their survival.
1934年，随着《候鸟狩猎印花税法案》的通过，为阻止对迁徙的水禽以及对水禽生存至关重要的湿地的破坏，一个日益感到担忧的国家（指美国）采取了坚决的行动。
Like the proverbial canary in a coal mine, the nearly 10, 000 known bird species act as "environmental barometers" whose populations can appraise the greater well-being of their habitats.
就如谚语所说煤矿里的金丝雀一样，近10,000种已知的鸟类在自然界中扮演着“晴雨表”的角色，它们的数量可以用来评价其栖息地的健康情况。
Their case is that the park could violate the Endangered Species Act and the Migratory Bird Treaty Act.
他们指控这座风电站可能违背了濒危物种保护法案，及候鸟条约法案。
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