ON A ROLL A day-active dung beetle rolls its prized dung ball backward in a relatively straight course. The insect may accomplish this orientation feat by using variations in the color of light across the sky.
E. Baird
ON A ROLL A day-active dung beetle rolls its prized dung ball backward in a relatively straight course. The insect may accomplish this orientation feat by using variations in the color of light across the sky.
E. Baird