longicauda Genus Psittacula Red-breasted parakeet, Psittacula alexandri Lord Derby's parakeet, Psittacula derbiana Nicobar parakeet, Psittacula caniceps Genus...

Lord Derby's parakeet (Psittacula derbiana), also known as Derbyan parakeet, is a parrot species, which is confined to a small pocket of moist evergreen...

parakeet, Psittacula calthropae Lord Derby's parakeet, Psittacula derbiana Red-breasted parakeet, Psittacula alexandri Nicobar parakeet, Psittacula caniceps...

and described several new species including the Derbyan parakeet Psittacula derbiana named after his employer. A number of species and subspecies have...

parakeet, Psittacula derbiana Red-breasted parakeet, Psittacula alexandri Nicobar parakeet, Psittacula caniceps Long-tailed parakeet, Psittacula longicauda...

PMID 29631051. S2CID 5011292. Singh, A. P. (2013). "Lord Derby's Parakeet Psittacula derbiana, and Black-headed Greenfinch Carduelis ambigua in Arunachal Pradesh...

partridge (Tetraophasis szechenyii), and Lord Derby's parakeet (Psittacula derbiana). The last two are limited to an area of conifer forest in Arunachal...

species were named after him, for example the Derbyan parakeet, Psittacula derbiana and an Australian species of parrot named firstly by Nicholas Vigors...

Psittacula derbiana – r Red-breasted parakeet, Psittacula alexandri – R Nicobar parakeet, Psittacula caniceps – r Long-tailed parakeet, Psittacula longicauda...

parakeet, Psittacula cyanocephala Blossom-headed parakeet, Psittacula roseata Derbyan parakeet, Psittacula derbiana Red-breasted parakeet, Psittacula alexandri...