Date: 5/10/19 1:12 pm
From: Liz via CTBirds <ctbirds...>
Subject: Re: [CT Birds] Bluebird nesting behavior

I have similar questions, here in Southbury. I have two boxes in backyard and have been observing the one pair going back and forth/in and out of both boxes. I have seen the nests in both; i have not yet checked for eggs.
Liz in Southbury

-----Original Message-----
>From: Rob Ballinger via CTBirds <ctbirds...>
>Sent: May 10, 2019 10:59 AM
>To: ct bird list <ctbirds...>
>Subject: [CT Birds] Bluebird nesting behavior
>
>Our resident bluebirds built nests in 2 boxes, 1 in the front yard and 1 in
>the back. 3 eggs were laid in the backyard house with 1 being dropped
>outside the box. I don't know what did this. Both nest boxes have predator
>baffles. Later that nest had 0 eggs. In the front yard nest box there are
>4 eggs. The female seems to be off that nest much of the time, although
>when I checked it (while she was feeding in the backyard) the eggs seemed
>warm (although it was a very brief check). Both birds often check the
>backyard box with the empty nest and another box that has no nest. Is
>building multiple nests a common behavior in bluebirds and how much time
>does the female typically spend off the nest?
>
>Thanks,
>
>Rob Ballinger,
>Clinton
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This list is provided by the Connecticut Ornithological Association (COA) for the discussion of birds and birding in Connecticut.
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