Southern boobook age. Brushtail possums ("Trichosurus" spp.) and introduced cats and rats raid the nests for nestlings and eggs, and raptors such as the brown goshawk ("Accipiter fasciatus"), grey goshawk ("Accipiter novaehollandiae"), Australian masked owl ("Tyto novaehollandiae"), and probably powerful owl ("Ninox strenua") seize young birds. Juvenile southern boobooks are at greater risk after bushfires and have perished after being tangled up in dodder ("Cassytha") or bidgee-widgee ("Acaena novae-zelandiae"). The southern boobook generally preys on mice, insects, particularly nocturnal beetles and moths, and birds the size of a house sparrow ("Passer domesticus"). A higher proportion of its diet is invertebrates compared with
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.