SWAINSON, William John; RICHARDSON, J. Fauna Boreali-Americana, or, The Zoology of the Northern Parts of British America. London: J. Murray, 1831. Dostupné online. S. 497.
worldbirdnames.org
Pheasants, partridges, francolins [online]. IOC World List 12.1 [cit. 2022-03-01]. Dostupné online. (anglicky)