About Calyptorhynchus lathami (Temminck, 1807)
Sexual Dimorphism Overview
This species, the glossy black cockatoo, is sexually dimorphic, just like its close relative the red-tailed black cockatoo.
Male Plumage
Male glossy black cockatoos are mostly black, with a chocolate-brown head and prominent red patches on their tail feathers.
Female Plumage
Females are a duller dark brown, with yellow flecks on their tail and collar. Female tails have barring, while male tails have larger distinct patches.
Size
Adult glossy black cockatoos reach a total length of 46–50 cm (18–19.5 in).
Habitat and Diet
This species lives in open forest and woodland habitats, and it typically feeds on the seeds of she-oaks from the genus Casuarina.