Overcrowding forces pheasants to cooperate in Hawaii
Wednesday, September 7, 2016 - 14:32
in Biology & Nature
'Survival of the fittest' usually means that animals put their own needs first, but occasionally it pays to work together. A new study describes an unusual example of cooperative breeding in an introduced pheasant population in Hawaii, where young males help care for chicks and defend against intruders rather than striking out on their own.