THAYER, John E.; BANGS, Outram. The Present State of the Ornis of Guadaloupe Island. The Condor. 1908-05, roč. 10, čís. 3, s. 101–106. Dostupné online [cit. 2021-07-20]. ISSN1938-5129. doi:10.2307/1360977.
KAEDING, Henry B. Birds from the West Coast of Lower California and Adjacent Islands (Concluded). The Condor. 1905-09, roč. 7, čís. 5, s. 134–138. Dostupné online [cit. 2021-07-20]. ISSN1938-5129. doi:10.2307/1361667.
THAYER, John E.; BANGS, Outram. The Present State of the Ornis of Guadaloupe Island. The Condor. 1908-05, roč. 10, čís. 3, s. 101–106. Dostupné online [cit. 2021-07-20]. ISSN1938-5129. doi:10.2307/1360977.
KAEDING, Henry B. Birds from the West Coast of Lower California and Adjacent Islands (Concluded). The Condor. 1905-09, roč. 7, čís. 5, s. 134–138. Dostupné online [cit. 2021-07-20]. ISSN1938-5129. doi:10.2307/1361667.
THAYER, John E.; BANGS, Outram. The Present State of the Ornis of Guadaloupe Island. The Condor. 1908-05, roč. 10, čís. 3, s. 101–106. Dostupné online [cit. 2021-07-20]. ISSN1938-5129. doi:10.2307/1360977.
KAEDING, Henry B. Birds from the West Coast of Lower California and Adjacent Islands (Concluded). The Condor. 1905-09, roč. 7, čís. 5, s. 134–138. Dostupné online [cit. 2021-07-20]. ISSN1938-5129. doi:10.2307/1361667.