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 Society of Clinical Immunology and Allergy Australasian Society of Clinical Immunology and Allergy The Australasian Society of Clinical Immunology and Allergy is a professional body of clinical immunologists, allergy specialists and immunology scientists in New Zealand and Australia that aims to "advance the science and practice of clinical immunology and allergy, by promoting education and the highest standard of ethical medical practice." It was formed in 1991 by the merging of the Australian College of Allergy with the Australasian Society of Immunology Clinical Immunology Group. It publishes guidelines and position statements on the management of allergies and sensitivities, provides in-person and online training, and hosts conferences.