[6][7] This subspecies differs from the Australian greater sulphur-crested cockatoo in that it is smaller, with broader crest feathers and has a pale blue periophthalmic ring instead of white.

[8][9] Its head and bill appear proportionally larger to its body when compared with the greater sulphur-crested.

[8] The Triton Cockatoo is almost exclusively arboreal and are rarely found in groups numbering more than half a dozen individuals.

They fill the nest with leaves and vines as padding and lay 2-3 eggs, which both parents incubate for approximately 26 days.

[7] A Triton cockatoo, named Fred features prominently in the 1970s US TV series, Baretta as the pet of the titular character.