Southern boobook their upperparts. The tips of their feathers are white and fluffy, remnants of the nestlings' down. These are worn away over time, persisting longest on the head. The feathers of the head, neck and underparts are fluffier overall. Immatures in their second and third year have plumage more like adults, though their crowns are paler and more heavily streaked. On mainland Australia, it could be confused with the barking owl or the brown hawk-owl ("Ninox scutulata"), a rare vagrant to the northwest, although the southern boobook is easily distinguished by its squat posture and distinctive pale border to its face
Australasian bittern species is listed as endangered. BirdLife International has identified the following sites, all of which are in Australia, as being important for Australasian bittern conservation: Australasian bittern The Australasian bittern ("Botaurus poiciloptilus"), also known as the brown bittern or matuku hūrepo, is a large bird in the heron family Ardeidae. A secretive bird with a distinctive booming call, it is more often heard than seen. Australasian bitterns are endangered in both Australia and New Zealand. The length is from 650 to 750 mm with adults being similar between the sexes while the male is significantly larger. The bird has a