Buried nuts would shortly rot within the tropical rainforests of Hainan Island, so flying squirrels have taught themselves carpentry as an alternative
Life
1 December 2022
A nut with a groove chewed in a band across the centre and wedged within the fork of a tree department in a tropical rainforest on Hainan Island, China QinWenHao
Two species of flying squirrel dwelling within the tropical rainforests of Hainan Island off China carve grooves round nuts to allow them to be wedged within the forks of twigs with out falling out.
Suqin Fang at Sun Yat-Sen University in Guangzhou, China, says one considered one of these species might have discovered the behaviour from watching the opposite, although that is arduous to determine. …