1·The very first Federal Duck Stamp 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.
最早的联邦鸭票是由J.N.“丁”·达林设计的，他是爱荷华州得梅因市的一位政治漫画家，当时被富兰克林·罗斯福总统任命为生物调查局局长。