BioStor
 | Ridgway's 'The Birds of North and Middle America' Part VII Robert Ridgway (1916) The Auk 33: 331-332 |
 | Feather mites of the Aralichus canestrinii (Trouessart) complex (Acarina, Pterolichidae) from New World parrots (Psittacidae). 2. From the genera Aratinga Spix, Deroptyus Wagler, Leptosittaca Berlepsch and Stolzmann, Ognorhynchus Bonaparte, Pionites Heine, and Pyrrhura Bonaparte, and conclusions to the study Warren T Atyeo and Tila M Perez (1990) Fieldiana Zoology 62: 1-30 |