THE SANTA ROSA PLATEAU ECOLOGICAL RESERVE, Calif. — (AP) — The scientist traipses to a pond wearing rubber boots but he doesn’t enter the water. Instead, Brad Hollingsworth squats next to its swampy ...

A frog-eating bat approaches a túngara frog, one of its preferred foods. Image credit: Grant Maslowski It is late at night, and we are silently watching a bat in a roost through a night-vision camera.

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 ...