https://digitalcommons.unl.edu/biosciornithology/59/
"Experimental Hybridization of the New World Quail (Odontophorinae)" by Paul A. Johnsgard
Hybridization experiments among six species of New World quail currently placed in four genera (Colinus, Callipepla, Lophortyx, and Oreortyx) involved the...
the new world