The animal kingdom is often thought of as brutally Darwinian: a world of predatory, bloodthirsty self-interest. And certainly there are creatures, like the common American lobster (Homarus americanus) that do indeed act like total selfish assholes. But many animals have actually taken impressive steps toward the establishment of fully socialistic societies. Here, Current Affairs offers you a guide to the egalitarian, worker-friendly ethics of several common species.