Your smartphone can help track monarch butterflies on their migration

Description

Every winter, monarch butterflies return to the oyamel fir tree forests of Michoacán, Mexico—the same forests, the same trees, generation after generation. It’s a place that “becomes the empire of the butterflies” between November and March. How do they find their way back to a place they’ve never been? “Nobody... The Kid Should See This Your smartphone can help track monarch butterflies on their migration