{"fact":"Sharing is caring, but not for all crows!  New Caledonian crows maintain close family bonds, but rarely share food or engage in social grooming with crows outside their immediate family.","context":"We never observed any bird other than the biological parents feeding juveniles or contributing directly in any other way to their upbringing. … We never saw direct social interactions such as grooming or food sharing between family and nonfamily individuals","source":"J.C. Holzhaider; M.D. Sibley; A.H. Taylor; P.J. Singh; R.D. Gray; G.R. Hunt, The social structure of New Caledonian crows, 10.1016/j.anbehav.2010.09.015","index":47}