Little wonder the Federal DuckStamp Program has been called one of the most successful conservation programs ever initiated.
难怪联邦鸭票被称为有史以来最成功的自然保护计划之一。
2
Under this Act, all waterfowl hunters 16 years of age and over must annually purchase and carry a Federal DuckStamp.
根据这项法案,所有16周岁及以上的水禽狩猎者必须每年购买并持有一枚联邦鸭票。
3
The very first Federal DuckStamp was designed by J.N. "Ding" Darling, a political cartoonist from Des Moines, Iowa, who at that time was appointed by President Franklin Roosevelt as Director of the Bureau of Biological Survey.