Systema Naturae per regna tria naturae: secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis Author Linnaeus, Carolus text 1758 Laurentius Salvius Stockholm https://archive.org/download/mobot31753000798865/mobot31753000798865.pdf book 2C6327E1-5560-4DB4-B9CA-76A0FA03D975 https://doi.org/10.5962/bhl.title.542 3922206 Psittacus festivus [ spec. nov. ] P. brachyurus viridis, fronte purpurascente, superciliis gulaque caeruleis, dorso sanguineo. Habitat in Indiis. Corpus magnitudine Columbae. Psittaci monogami, per paria incedunt, garrulae, loquaces, dociles, longaevae, victitant imprimis nucibus, glandibus, sem. cucurbitarum, Carthami; scandunt rostro, irati pennas erigunt, meditabundi.