The bats use the way the Sun's light is scattered in the atmosphere at sunset to calibrate their internal magnetic compass, which helps them to fly in the right direction, a study published in ...

MARTIN D. PIORKOWSKI, TIMOTHY J. O'CONNELL, Spatial Pattern of Summer Bat Mortality from Collisions with Wind Turbines in Mixed-grass Prairie, The American Midland Naturalist, Vol. 164, No. 2 (October ...