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 Arachnological Society Australasian Arachnological Society The Australasian Arachnological Society is a body dedicated to promotion of knowledge and study of arachnids (spiders and other 8-legged arthropods) in the Australasian realm, which includes Australia, New Zealand, South-east Asia, Oceania and the Pacific Islands. Membership is open to all individuals and scientific institutions. The Society maintains a large library of reference books and scientific journals housed at Queensland Museum. The society is informally structured to promote the study of arachnology to amateurs, students, professionals and institutions. The Society was founded by Robert Raven in 1979. The first national meeting was held in 1989 as