Currawong Migration?

To: "Evan Beaver" <>, "birding aus" <>, "Carol Probets" <>
Subject: Currawong Migration?
From: "Philip Veerman" <>
Date: Tue, 25 Apr 2006 15:56:24 +1000
Not only that (migration may differ between places) but the pattern of 
migration at one location, can change over time. In Canberra it has. Although 
the description of the pattern is has not changed, the quantitative 
manifestation of this has changed considerably. It is for that reason that I 
chose this species as one of the three to show its abundance in Canberra by 
graph, monthly for the 252 months from July 1981 to June 2002 in my book: 
Canberra Birds: A Report on the first 21 years of the Garden Bird Survey - page 
90 (as well as the compiled monthly and long term graphs). Summer time numbers 
have steadily increased, whereas winter time abundance has rapidly decreased, 
particularly in the period 1992 to 1994. So the extent of migration impact has 

Although what Evan described below may not be migration at all. Just going by 
his note below, I suggest it could just be daily movement of birds from day 
feeding areas to night roosts. Although I wasn't there so don't know.


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