. . . . . . . . . "1973-12-01T00:00:00Z"^^ . . "Patagioenas leucocephala" . . "Roystonea borinquena" . . "Wiley, J. W. and B. N. Wiley. 1979. The biology of the White-crowned Pigeon. Wildlife Monographs 64:1-54." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .