About the Mulga Parrot
The mulga parrot (Psephotellus varius) is endemic to arid scrublands and lightly timbered grasslands in the interior of southern Australia. The male mulga parrot is multicolored, from which the older common name of many-coloured parrot is derived.
The mulga parrot was given its current scientific name of Psephotellus varius by American zoologist Austin Hobart Clark in 1910, after its name Psephotus multicolor was ruled invalid as the original combination (Psittacus multicolor) had been used for another species. Gregory Mathews proposed the name Psephotus dulciei in 1911 for the same reason, unaware of Clark's proposal, which was published earlier and hence had priority.
Mathews described two additional subspecies of mulga parrot in 1912: P. varius rosinae, from a specimen collected from Yorke Peninsula, noting that it had less red on the abdomen and its upper breast was a darker green, and P. varius exsul from a specimen from Mount Magnet in Western Australia, reporting it had a more blue than green color overall, particularly on the cheeks. In 1917, he revised his classification, noting that he had assumed the type collection came from New South Wales but was now made... Wikipedia →