[wisb] Fw: Wood Duck nest boxes
- From: "Mark and Sue Martin" <goosep@xxxxxxxxxx>
- To: "Wisconsin Birding Network" <wisbirdn@xxxxxxxxxxxxx>
- Date: Sun, 12 Feb 2012 21:14:14 -0600
Hi
Madison Audubon Society members have been busy checking 203 wood duck nest
boxes and found 166 used (81%), and 108 hatches (53%). Some people have
found a lot of unhatched eggs. One couple found 401 unhatched eggs in 41
boxes with a lot of dump nests. I recently talked with my old Wildlife
Professor and he said that if we have a lot of dump nesting that more boxes
should be installed.
Sue and I checked 37 boxes in one area. 35 boxes were used and 28 nests
hatched (one box had two hatched). All of the boxes on land have cone
predator guards. The nests that were not successful mostly had starling
problems. What is interesting is that 14 boxes had eggs from both Wood
Ducks and Hooded Mergansers and 8 boxes contained only Hooded Merganser
eggs. Mergansers have greatly increased in our area.
Mark and Sue Foote-Martin
Columbia County
Arlington
----- Original Message -----
From: "Jeffrey Bahls" <jbahls@xxxxxxxxxxxx>
To: "wisbirdnet" <wisbirdn@xxxxxxxxxxxxx>
Sent: Friday, February 10, 2012 12:57 PM
Subject: [wisb] Wood Duck nest boxes
>I did a midway tally of my 2011 hatch year wood duck nest boxes, with
> 49 boxes checked, 23 boxes have produced ducklings . That comes out to
> 46% successful boxes (so far) those boxes have produced 211 ducklings
> (again so far) This year has been huge for unhatched eggs, I think I
> have only 1 box that didn't have an Wood Duck egg in. I have 100(ish)
> boxes out.
> I generally average about 50-55% successful nests and about 400
> ducklings for a typical year. Stay tuned...
>
> Jeff Bahls
> Lowell Wi
> Dodge Co
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