Gang-gang Cockatoo
Callocephalon fimbriatum
The gang-gang cockatoo is 32–37 cm (13–15 in) in length with a 62–76 cm (24–30 in) wingspan, and weighs 230–334 grams. They are grey birds with wispy crests. The head and crest are bright red in males, but dark grey in females. The edges of feathers in the underparts have edges of yellow or pink. The edges of feathers on the upperparts are slightly paler grey than the rest of the feather, which makes the bird look somewhat barred. Juvenile males can be distinguished by their brighter crowns and shorter crests, but otherwise look similar to the adult female.
ID text from Wikipedia, CC BY-SA 4.0
Red-tailed Black Cockatoo
Calyptorhynchus banksii
Red-tailed black cockatoos are around 60 centimetres (24 in) in length and sexually dimorphic. The male's plumage is all black with a prominent black crest made up of elongated feathers from the forehead and crown. The bill is dark grey. The tail is also black with two lateral bright red panels. Females are black with yellow-orange stripes in the tail and chest, and yellow grading to red spots on the cheeks and wings. The bill is pale and horn-coloured. The underparts are barred with fine yellow over a black base. Male birds weigh between 670 and 920 grams (1.48 and 2.
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: Gang-gang Cockatoo and Red-tailed Black Cockatoo.