Davis, David E. (1942). "The Phylogeny of Social Nesting Habits in the Crotophaginae". The Quarterly Review of Biology. 17 (2): 115–34. doi:10.1086/394650. JSTOR2808549.
Davis, David E. (1942). "The Phylogeny of Social Nesting Habits in the Crotophaginae". The Quarterly Review of Biology. 17 (2): 115–34. doi:10.1086/394650. JSTOR2808549.