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 College of Tropical Medicine Australasian College of Tropical Medicine The Australasian College of Tropical Medicine (ACTM) is an Australasian medical association. It was founded on 29 May 1991 at a meeting of 10 interested clinicians, scientists and researchers at the Anton Breinl Centre in Townsville, Australia. Professor Peter A. Leggat, the College's Inaugural Honorary Secretary (1991–96), and Professor Rick Speare, the College's Inaugural President (1991–96), are generally acknowledged as the founder and co-founder of the College, respectively. Rick Speare passed the presidency on to Professor Peter A. Leggat (1996–98), who went on to serve a further two terms as President (2002–04 and 2006–08). Other