Nakayama M, Ishida M, Fukumi H (1978) Isolation of a new avian paramyxovirus from budgerigar (Melopsittacus undulatus).    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

APMV-5 was first isolated from an epizootic outbreak involving budgerigars (Melopsittacus undulatus) at Kunitachi, Tokyo, Japan in 1974.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

One of the most graceful of the parrot tribe, coming in, as I have stated above, with the Melopsittacus, and remaining during the summer.    From Wordnik.com.  [Expedition into Central Australia] Reference

Platycercus of Darling Downs, and the Betshiregah (Melopsittacus undulatus, GOULD.) were very numerous, and it is probable that the plains round the gulf are their principal home, whence they migrate to the southward.    From Wordnik.com.  [Journal of an Overland Expedition in Australia : from Moreton Bay to Port Essington, a distance of upwards of 3000 miles, during the years 1844-1845] Reference

This grass was, however, very different from the panicum, of the seeds of which the natives of the Gwyder River make a sort of bread; and which there forms the principal food of the little Betshiregah (Melopsittacus undulatus, GOULD).    From Wordnik.com.  [Journal of an Overland Expedition in Australia : from Moreton Bay to Port Essington, a distance of upwards of 3000 miles, during the years 1844-1845] Reference

The birds were also very numerous, large flocks of black cockatoos, cockatoo parrots, galaas, budgerygars or grass parrots ( 'Melopsittacus Undulatus, Gould'), and some grey quail were frequently seen, and on one of the lagoons a solitary snipe was found.    From Wordnik.com.  [Narrative of the Overland Expedition of the Messrs. Jardine from Rockhampton to Cape York, Northern Queensland] Reference

(1974) A pathogenic paramyxovirus from a budgerigar (Melopsittacus undulatus).    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Melopsittacus undulatus.    From Wordnik.com.  [Journals of Expeditions of Discovery into Central Australia and Overland from Adelaide to King George's Sound in the Years 1840-1: Sent By the Colonists of South Australia, with the Sanction and Support of the Government: Including an Account of the Manners and Customs of the Aborigines and the State of Their Relations with Europeans — Complete] Reference

Grallina australis, Crows, Kites, Bronze-winged and Harlequin pigeons, (Peristera histrionica, GOULD), the Rose cockatoo (Cocatua Eos), the Betshiregah (Melopsittacus undulatus), and Trichoglossus versicolor.    From Wordnik.com.  [Journal of an Overland Expedition in Australia : from Moreton Bay to Port Essington, a distance of upwards of 3000 miles, during the years 1844-1845] Reference