Altruistic birds foil scientists by helping each other yank off tracking devices

Researchers frequently attach GPS trackers to birds to better understand their behavior. But in doing so, one group of researchers observed a surprising behavior among a group of Australian magpies. "Despite previous testing demonstrating the strength and durability of the [tracker] harness," the birds helped each other snap off the trackers, according to University of the Sunshine Coast scientists. — Read the rest