Woolly bats are known to roost in Nepenthes hemsleyana ... This provides the plant with the nutrients it needs to survive. A similar relationship occurs between tree shrews and another Bornean pitcher ...

but here these plants are not so much giving a ‘shout out’ but a ‘shout back’ to the bats to come on over,” Rohan Clarke, an ecologist at Monash University in Australia who didn't take part in the ...