Southern boobook smallest owl on the Australian mainland, the southern boobook is long. The nominate subspecies is the largest. It has short, rounded wings and a short tail, with a compact silhouette in flight. Southern boobooks on the Australian mainland follow Bergmann's rule, in that birds from cooler and more southerly parts of the range tend to be larger. Thus, birds from the Canberra region weigh around while those from the Cape York Peninsula and Broome are around . Females tend to be a little larger and heavier than males, with males weighing and females . The southern boobook has generally dark
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.