Communal roosts as structured information centres in the raven, Corvus corax Written by PoB, verified by Editorial Team December 27, 2011 Corvidae, PasseriformesRaven (Corvus corax) Science Article 8 abstractRavens (Corvus corax, L.) feed on rich but ephemeral carcasses of large animals. Non-breeding juveniles forage socially and aggregate in communal winter roosts, which may function as