Southern Boobook
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Southern Boobook

Ninox boobook

Family:

Hawk-Owls

Conservation status:

Least concern

Brain to Body Mass Ratio:

0.024

Date Taken:

Closest Suburb To Observation:

MUDGEERABA

Following Bergmann's rule, colder climate animals tend to be larger, in terms of Mass northerly tropical birds can be 1/3 smaller at 200grams versus 300grams in the south. This individual from the gold coast hinterland is probably somewhere in between as it was roosting in a subtropical environment. I would think the same correlation would be present across the wattlebird genus as the tasmania wattlebirds are much larger than the little wattlebirds of the north Brisbane region. 

Alternate Sightings

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