RUSSELL MCCLENDON: ‘Birds can form complex, multilevel societies, a new study finds, a feat previously known only in humans and certain other big-brained mammals, including some of our fellow primates as well as elephants, dolphins and giraffes. This challenges the idea that large brains are required for such a complex social life, the researchers say, … Continue reading STUDY: These birds prove you don’t need a big brain for a complex social life