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 Journal of Educational Technology Australasian Journal of Educational Technology The Australasian Journal of Educational Technology is a peer-reviewed academic journal covering research in educational technology, instructional design, online and e-learning, educational design, multimedia, computer assisted learning, and related areas. It is published in 8 issues per year by the Australasian Society for Computers in Learning in Tertiary Education (ASCILITE) as an open access online-only journal. All previous issues, dating from 1985, are accessible online without charges. The "Australasian Journal of Educational Technology" was established as the "Australian Journal of Educational Technology" by the Australian Society for Educational Technology (ASET) in 1985, with two issues