Ravens: Non-breeders live in highly dynamic social groups
(World News Austria)

Ravens have impressive cognitive skills when interacting with conspecifics - comparable to many primates, whose social intelligence has been related to their life in groups. An international collaboration of researchers led by Thomas Bugnyar, Professor at the Department of Cognitive Biology, University of Vienna, could uncover for the first time the group dynamics of non-breeding ravens. The results help to understand the evolution of intelligence in this species and were published in the scientific journal `Scientific Reports`....