Raven poop reveals the high stress of juvenile gang life and the joys…

Maybe mature, adult relationships really are for the birds after all. Ravens are most successful at finding food when they join large gangs of thirty or more birds, but this consistently proves to be too stressful - yes, stressful - for our feathered friends. Instead, they decide to pursue a less efficient, but much… » 2/09/11 8:07pm 2/09/11 8:07pm