canberrabirds

Hobbies

To: wallaces <>
Subject: Hobbies
From: martin butterfield <>
Date: Mon, 3 Sep 2012 18:04:19 +1000
I note that the description of this species in the Annual Bird Report is Breeding Resident /migrant.  Presumably the bimodal graph reflects the Twin Peaks of migration in both directions.

Martin

On 3 September 2012 17:49, wallaces <> wrote:
Attached is a graph of the number of Australian Hobbies observed and the number of breeding records by month for the last 31 years of data on the COG database. It shows the pattern similar to Philip's description but also shows a peak in October.
 
Steve
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