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。

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There are also wild bird species and waterfowl, plus the Open Air Theatre.

这里还有野生鸟类和水禽，再加上一个露天剧场。

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Commercial harvesting of waterfowl all but ended with the Migratory Bird Treaty Act of 1918.

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Foie gras has been produced by farmers since the days of ancient Egypt, when farmers discovered that the waterfowl's liver expanded in the days leading up to the bird's planned migration.

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