Female red-eyed tree frogs respond better to mating calls they hear if they can also feel them through the branches they are perched on, a finding that may extend to other tree frog species
Avalon.red/Alamy
Female red-eyed tree frogs are more than twice as likely to select a mate if they can feel the vibrations of their call instead of only hearing it.
These small, bright-green frogs (Agalychnis callidryas) are about the size of a chicken egg and are found in rainforests from southern Mexico to northern Colombia. When the males want to woo a female or ward off a rival, they use air sacs in their throat to send a chorus …