Add Yahoo as a preferred source to see more of our stories on Google. Big brown bats have brown fur on their back with the belly fur being lighter and paler. Their average weight is 14-21 grams. The ...

A fringe-lipped bat, Trachops cirrhosus, approaches a Fitzinger's robber frog, Craugastor fitzingeri, in Panama. This species of bat eavesdrops on the mating calls that male frogs produce to attract ...

To source their food, some predators eavesdrop on calls emitted by prey. Fringe-lipped bats, which range from Panama to Brazil, are some of the most skilled eavesdroppers in the world. They are ...