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
1977 Australasian Individual Speedway Championship England. Ivan Mauger would go on to win his record equalling 5th World Championship later in the year at the Ullevi stadium in Göteborg, Sweden. 1977 Australasian Individual Speedway Championship The 1977 Australasian Individual Speedway Championship was the second annual Australasian Final for Motorcycle speedway riders from Australia and New Zealand as part of the qualification for the 1977 Speedway World Championship. The Final took place at the Sydney Showground. Four time World Champion Ivan Mauger was the winner after defeating Phil Crump and defending Australasian Champion John Boulger in a runoff after all three riders finished on 14 points.