Southern boobook smallest owl on the Australian mainland, the southern boobook is long. The nominate subspecies is the largest. It has short, rounded wings and a short tail, with a compact silhouette in flight. Southern boobooks on the Australian mainland follow Bergmann's rule, in that birds from cooler and more southerly parts of the range tend to be larger. Thus, birds from the Canberra region weigh around while those from the Cape York Peninsula and Broome are around . Females tend to be a little larger and heavier than males, with males weighing and females . The southern boobook has generally dark
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