The Blue-collared Parrot, known scientifically as Geoffroyus simplex, is a vibrant avian resident of New Guinea's higher elevations. This species, also referred to as the Simple Parrot, Lilac-collared Song Parrot, or Lilac-collared Geoffroy's Parrot, is a small parrot measuring between 23 to 25 centimeters in length. It boasts a predominantly green plumage, complemented by a striking black beak, yellow at the wing bend, and blue underwing coverts. The bird's eyes are encircled by a pale yellow iris, adding to its distinctive appearance.
To identify the Blue-collared Parrot, look for the adult male's characteristic blue collar that stretches from the upper breast to the lower neck above the mantle. Adult females display a hint of blue on the rear crown, while juveniles are distinguished by their absence of blue and a paler bill. The two subspecies vary slightly in size and collar coloration, with G. s. simplex found on Vogelkop measuring 23 cm, and G. s. buergersi from the rest of the island slightly larger at 25 cm, featuring a duller but wider collar on the males.
The Blue-collared Parrot inhabits the humid hill forests and forest edges of New Guinea. It thrives in these lush environments, which provide ample cover and resources.
This species is found from elevations of 500 to 2300 meters, though it primarily resides between 800 and 1900 meters. However, food shortages may occasionally drive these birds to lower altitudes.
Blue-collared Parrots are social creatures, often seen in flocks that can number up to 200 individuals. They navigate the forest canopy with agility and are known for their communal roosting habits.
The IUCN Red List classifies the Blue-collared Parrot as Least Concern, indicating that, for now, this species does not face any immediate threat of extinction.