Green Rosella
Platycercus caledonicus
The green rosella is the largest member of the rosella genus. Measuring from 29 to 36 cm (11 to 14 in) in length, an adult has long narrow wings with a wingspan of 44–54 cm (17–21 in), and a long tail with twelve feathers, the central two of which are wider. The adult male is heavier, averaging around 150 g (5.3 oz) to the female's 120 g (4.2 oz), and has a larger bill. The adult green rosella has a yellow head and underparts with blue cheeks and red band on the forehead and upper lores.
ID text from Wikipedia, CC BY-SA 4.0
Western Rosella
Platycercus icterotis
The smallest species of its genus, the adult western rosella weighs 60 to 70 g (2.1 to 2.5 oz) and is 25 to 30 cm (9.8 to 11.8 in) long. It has broad wings with a 35 to 41 cm (14 to 16 in) wingspan and a long tail that is on average 13 cm (5.1 in), equally half the measurement of its total length. It is the only species of the genus that exhibits marked differences in the coloration of the sexes —the red of the plumage is more scarlet in male P. icterotis. Voice: The regular vocalisation is a rapid series of melodious notes delivered at a low volume. The vocalisation of sister species of other regions is notably louder and more frequently heard in raucous exchanges with other individuals or species.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Green Rosella and Western Rosella.