Christmas boobook lores and throat, yellow eyes, legs and feet. It is approximately 26–29 cm in length and 130-190 grams in weight with the female slightly larger than the male. The double-noted hoot, "boo-book," has a clucking quality with the second note usually lower in pitch. The begging call of juveniles is a high-pitched trill. Vocalisations are similar to those described for the Southern Boobook "N. novaeseelandiae" and include individual variation in advertisement calls. This may be useful in estimating owl densities as radio-tracking can be impractical in some terrains. A recording, courtesy of Richard Hill and Owl Pages http://www.owlpages.com/sounds/Ninox-natalis-2.mp3 Its natural
Australasian Psychiatry of "Australasian Psychiatry" provides information on RANZCP business and related matters. Previous Editors: Prof Harry Minas 1993 to 2000, Prof Garry Walter 2001 to 2013, Dr Vlasios Brakoulias 2014 to present. "Australasian Psychiatry" is abstracted and indexed in: Australasian Psychiatry Australasian Psychiatry is a peer-reviewed academic journal that publishes papers in the field of Psychiatry. The journal's editor is Dr Vlasios Brakoulias. It is currently published by SAGE Publications on behalf of The Royal Australian and New Zealand College of Psychiatrists. "Australasian Psychiatry" aims to promote psychiatry and the maintenance of excellent standards in practice. The journal publishes original research;