During that decade around 10 million crocodile hides were sold each year; the U.S. imported nearly 160,000 tiger and leopard skins in 1967; and in 1972 Kenya exported 150 tons of elephant tusks.
根據統計，那時國際間每年鱷魚皮交易最高曾達一千萬張，一九六七年單單美國進口的各種虎、豹皮就將近十六萬件；一九七二年非洲肯亞出口一百五十噸象牙，創下新紀錄。