How tiny hoverflies migrate thousands of miles
Ph. A tethered Episyrphus balteatus hoverfly. Richard Massy, CC BY-NC-ND Richard J. Massy, University of Exeter Name an animal that migrates. You might think of the long migrations of humpback whales crossing the Pacific Ocean or flocks of geese flying noisily overhead. But, did you know that huge numbers of insects make ultra-long