"'Philip Veerman'" <>, "COG-L" <>
Bird Breeding Season
"Lindsay Hansch" <>
Tue, 22 Apr 2014 14:08:09 +1000
Quite right. I was only reflecting
on my own data and observations over the past ten or so years. On the
basis of that, it appears that this was a poor breeding season at my site.
From: Philip Veerman
Sent: Monday, 21 April 2014 7:03
To: 'Lindsay Hansch'; 'COG-L'
Subject: RE: [canberrabirds] Bird
Over the history of the GBS (although I
don't know the last 10 years), sites with habitats for breeding of water birds
have been few and far between. I would not think there is enough old data on
water bird breeding to make a comparison. Such as I did in The GBS
Report for the low level of breeding in year 2 (a drought year). Indeed
Appendix 2 shows the only water bird breeding records were Aust Wood Duck
(24 records) & White-faced Heron (2 records) in the whole 21 years.
From: Lindsay Hansch
Sent: Monday, 21 April 2014 3:57
Subject: [canberrabirds] Bird
Reviewing my Garden Bird Survey numbers recently, it
occurred to me that this season gone was a particularly poor breeding one for
Jerrabomberra. Our resident pair of Swans had a failed attempt in Spring
and so far have not attempted an Autumn nesting. We usually see around 20
young Swamp Hens per season, this year we had only 5 from two nests.
Moorhens produced only 2 young – usually at least 12-15. No
Coots produced at all. Even our resident pair of Magpies produced only 1
young for the year and I did not see a Magpie Larks nest. There were no Grebes
nesting and only one family of Black Ducks. The exception has been Crimson
Rosellas with significant numbers of green birds around. I wonder if this
poor season is reflected elsewhere? A possible reason for the poor return
on water birds may be the decline in typhus reeds around the local lake for
which most birds rely on for nest sites.
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