Adults face aerial predation from birds such as kookaburras, ravens, black-shouldered kites, and Nankeen kestrels. In contrast to the nankeen night heron it had a thicker and straighter bill. It is slightly larger than the nankeen kestrel ("Falco cenchroides"). Pratincole, Arnhem Land grouse, Australian courser, roadrunner, nankeen plover, swallow-plover. The Bonin nankeen night heron became extinct only 50 years after its description. The Nankeen kestrel, "F. cenchroides", inhabits Australia and New Guinea. There she sold them for tea, chinaware and nankeen, which she carried back to Russia. By some accounts Kendrick traded a blue nankeen coat to Koyah. Birds include the Australian hobby, nankeen kestrel, spotted harrier, mulga parrot and budgerigars. Black falcon ("Falco subniger") and nankeen kestrel ("Falco cenchroides") have been observed attacking adults. The nankeen kestrel, a small, slim falcon, is common to the area. The nankeen kestrel ("Falco cenchroides") is a raptor native to Australia and New Guinea.