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 Individual Speedway Championship Stadium in Auckland, was won by Maury Dunn. In the years 1970, 1971 and 1972, an Australasian Grand Prix meeting was held at the Liverpool Speedway in Sydney on the original "D" shaped track and not the bike track that was built on the infield in 1974 when the Liverpool track surface was changed to asphalt. All three Australasian GP's were won by New Zealand's Ivan Mauger. The first Australasian Final qualifier was held at the Western Springs Stadium on 21 February 1976 with dual Australian Champion John Boulger emerging as the winner. The last Final was held at the