Add Yahoo as a preferred source to see more of our stories on Google. A fringe-lipped bat carries a sound-and-movement biologging tag. Leonie Baier, CC BY-SA Deep into the Panamanian night, the forest ...

Deep into the Panamanian night, the forest hums with sound. Chirping insects form a steady backdrop, rain softly trickles from leaves. Somewhere above a stream, frogs call into the darkness. But I am ...

(THE CONVERSATION) Deep into the Panamanian night, the forest hums with sound. Chirping insects form a steady backdrop, rain softly trickles from leaves. Somewhere above a stream, frogs call into the ...