National Geographic: There's something odd about a bright white snowshoe hare motionless and alert-without any hint of snow nearby.
Gleaming white on a brown background of dirt and leaves, the hares, which are native to the mountain ranges of North America, might as well be wearing an "eat me" sign for lynx and other predators.
Scott Mills and Marketa Zimova of North Carolina State University call this "mismatch-when the hare, which turns from brown to white as the fall becomes winter and back again in spring,...