Yet some people point out that mankind long ago crossed the horse and the ass to produce a mule, which combines useful qualities of both. So what's wrong with crossing a lion and a tiger?
但有人以為，老祖先也曾將馬、驢交配，產下的騾子兼具二者優點，更有耐力和負重力，成為很好的運輸工具，也沒看到什麼不良影響；獅、虎的配對又何嘗不能試試看？