Bat Eating a Frog, Barro Colorado Island, Panama, 2007
A fringe-lipped bat on Panama's Barro Colorado Island holds a Tungara frog in its powerful jaws. This bat's extra-large ears help it detect frogs from the sound of their mating calls, even distinguishing the songs of edible species from those of toxic ones.
(Photo shot on assignment for, but not published in, "Winged Victors: Panama's Adaptable Bats," June 2007, National Geographic magazine)