Photo of the Day 395

Bulldog Bat, Barro Colorado Island, Panama, 2007

Photograph by Christian Ziegler

Equipped with echolocation and gaffing claws, the greater bulldog bat of Panama's Barro Colorado Island can detect the hair-thin fin of a fish breaking the water's surface, a useful skill in a forest full of bat competitors.

(Photo shot on assignment for, but not published in, "Winged Victors: Panama's Adaptable Bats," June 2007, National Geographic magazine)