Fulton, T. L.; Wagner, S. M.; Fisher, C.; Shapiro, B. «Nuclear DNA from the Extinct Passenger Pigeon (Ectopistes migratorius) Confirms a Single Origin of New World Pigeons». Annals of Anatomy, 194, 1, 2012, pàg. 52–7. DOI: 10.1016/j.aanat.2011.02.017. PMID: 21482085.
Fulton, T. L.; Wagner, S. M.; Fisher, C.; Shapiro, B. «Nuclear DNA from the Extinct Passenger Pigeon (Ectopistes migratorius) Confirms a Single Origin of New World Pigeons». Annals of Anatomy, 194, 1, 2012, pàg. 52–7. DOI: 10.1016/j.aanat.2011.02.017. PMID: 21482085.