ANIMALS - Researchers find bats use curled leaves for sound amplification

(Phys.org) —A pair of researchers, one from Universidad de Costa Rica, the other North Dakota State University has found that a type of bat that hides from predators inside a curled leaf plants, gains acoustic advantages from doing so. In their paper published in the journal Proceedings of the Royal Society B: Biological Sciences, Gloriana Chaverri and Erin Gillam describe recording experiments they conducted with the types of plants the bats hid ...

http://phys.org/news/2013-10-amplification.htm