Date: 2/15/17 1:51 pm
From: David Suddjian <dsuddjian...>
Subject: Re: [cobirds] Bushtit nesting in Fort Collins
Funny you should ask... Today at home I saw a pair (first time so far this
season I've just seen 2) feeding at one of my suet cages,and then they
moved to visit a cage I hung filled with cattail fluff. They fussed with
the fluff and then both carried some off out of view. I had presumed
carrying nest material, but I could not tell where they went with it.

David Suddjian
Ken Caryl Valley
Littleton, CO

On Wed, Feb 15, 2017 at 2:18 PM, DAVID A LEATHERMAN <daleatherman...>
wrote:

> Yesterday, sitting at the computer with my Fort Collins apartment door
> wide open, I noticed the familiar tinkling sound of bushtits in the
> courtyard. Last year they nested on this property (nest building first
> noticed on 12March2016) about a mile east of CSU and it appears they will
> do so again. In fact, they are refurbishing the same nest which
> successfully produced a brood last summer. In the "Birds of North America"
> account on bushtits by Sarah Sloane, it states the following: "In
> Chiricahua Mtns., se. Arizona, on only 1 occasion was a nest reused a
> second season, and this was late in season by a year-old inexperienced
> male; nest had remained unusually intact through 2 winters due to heavy
> concealment in a clump of mistletoe (SAS). Most nests deteriorate rapidly
> when abandoned." The nest here is at the end of a lower branch (about 20
> feet above the ground) on the ene side (catches the morning sun) of a large
> CO blue spruce. As is typical of the species, the substantial nest "bag"
> is well concealed and woven into the spruce foliage. Even knowing where it
> is and looking straight up at the nest site, it takes me a minute or so to
> locate the nest material hiding in the needles.
>
>
> I would also note Coen Dexter mentions in his bushtit account for the *
> Colorado Breeding Bird Atlas II *book that the earliest recorded
> nest-building was 17March. Thus, nest-refurbishing on 14February is either
> a freak event triggered by hormonal influence on Valentine's Day,
> preliminary activity influenced by both warm weather and the existence of a
> suitable old structure, an indicator things are changing, or most likely,
> just the early end of activity that birders, especially BBA atlasers
> accustomed to doing most of their work in "typical" bird breeding months,
> have missed.
>
>
> Anybody else noticing bushtit nesting activity out there?
>
>
> Dave Leatherman
>
> Fort Collins
>
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