Yes I agree, the movement of Eastern Koel into Victoria does seem prominent.
For historical contextualization it's worth quoting Roy Wheeler from his
publication 'A Handlist of the Birds of Victoria' (1967), p 49.
KOEL. Accidental. Summer migrant. Only one record for the state [of Victoria].
Mallacoota in January 1917 (Emu, 17: 107). Gippsland.
Compare that to 32 recorded reports in the current year (2009). The link to
Moreton Bay Fig does seem significant. I think the Fig, like certain bird
species, including Australian Figbird amongst others, are benifiting from
changes in climatic conditions across southern Australia.
Cheers,
Tim
-----Original Message-----
From: on behalf of Lawrie Conole
Sent: Wed 16/12/2009 14:55
To: Birding Aus
Subject: Eastern Koels take Victoria
I had a quick look on Birdline Victoria (
http://www.eremaea.com/BirdlineRecentSightings.aspx?Birdline=1 ) this
morning, and counting the Koel I saw at the Melbourne Zoo on the weekend,
the one Martin O'Brien heard at Burnley, and another reported at Maldon by
Nick Layne, there are 17 reports in the current Birdline Victoria view for
November/December 2009. Martin claims his to be the 32nd official record
from Victoria - it seems like the colonisation I predicted last year is on
for sure, with 53% of all records being from this spring/summer.
Interestingly, the number of records from central and northerneastern
Victoria makes it look like the invaders are mostly coming down the inland
slopes of the Great Dividing Range - with a few slipping through the Kilmore
Gap into Melbourne. Records along the eastern Victorian coast are fewer (as
are observers there), but it may be a classic pincer movement.
Koels will most likely be a common spring/summer migrant in Melbourne within
a decade!?? ... keeping us all awake on those warm humid nights that our
summer weather is morphing to ...
++++++++++++
Lawrie Conole
Northcote 3070 AUSTRALIA
lconole at gmail dot com
++++++++++++++++++++++++
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