Bigfoot , on the other hand , while occasionally eliciting an acerbic snicker , enjoys greater plausibility for a simple evolutionary reason : large hirsute apes currently roam the forests of africa , and at least one species of a giant ape ? gigantopithecus ? flourished some hundreds of thousands of years ago alongside our ancestors 另一方面,大脚虽然偶尔也遭受严苛的讪笑,却因演化上的简单理由而具有比较高的可信度:毛茸茸的大型猿类现仍漫步在非洲的森林里,而巨形猿人在数十万年前仍与我们的祖先一样活跃。