He decided to compare the creatures living in an undisturbed area of rainforest in the state of Washington with the denizens of neighbouring but more fragmented forest areas.

• 他决定通过比较栖息在华盛顿州原始雨林和居住在这个原始林附近但是更分裂的森林地区的小型动物的情况来进行这个研究。