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[EBB Sightings] Chestnut-backed Chickadee nesting
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rfs_berkeley
This is really interesting and would appear to be extremely early.
In Birds of North America, Chestnut-backed Chickadee nesting dates are reported as follows: "Egg dates for California March 12 - June 7. Height of season April 7 - June 1." " In California at Tilden Park, Contra Costa Co., mean date of first egg for P.r.barlowi over a 22 year period (n=430) March 25 +- 9 days." -Rusty Scalf _____ To: sightings@diabloaudubon.com Subject: [EBB Sightings] Chestnut-backed Chickadee nesting I installed a nestcam box on Jan 1 under the eaves of my house. Chestnut-backed Chickadees started checking it out on Jan 13, and nest construction started Feb 25. I put wood chips in the box, which were quickly cleaned out on 2/25, then redwood bark shreds were brought in, and a circular shape was constructed. I first saw 2 birds at once in the box on Feb 27. It was slow going until today, March 8, with construction full speed ahead. With the camera I am watching and hearing them on TV. Other materials include feathers and dog hair. I will post progress. Also, on my bike ride today Orange-crowned Warblers were singing along Redwood Road, south of Pinehurst Road, the first ones I've heard this Spring. I have not yet detected an Allen's Hummingbird in my yard. They are usually here in late January or early February. There was a Rufous Hummingbird yesterday at my feeder. Where's the Allen's? There was a Yellow-rumped Warbler in my yard on Jan 2, the first in my yard, I've been here in the Oakland hills for 19 years. That was yard species #92. Johan Langewis Oakland, near Skyline and Shepherd Canyon
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Phila Rogers <philajane6@...>
Maybe it's one of those years as this morning I caught sight of a chickadee exiting one of my nesting boxes. Also a cal towhee was doing the 'come hither' display on my deck.
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So in spite of the thermometer reading 37 degrees this morning, spring has started its head-long rush. Phila Rogers
--- On Wed, 3/10/10, Rusty Scalf <rscalf@sonic.net> wrote:
From: Rusty Scalf <rscalf@sonic.net> Subject: [EBB_Sightings] RE: [EBB Sightings] Chestnut-backed Chickadee nesting To: EBB_Sightings@yahoogroups.com Date: Wednesday, March 10, 2010, 3:44 PM This is really interesting and would appear to be extremely early. In Birds of North America, Chestnut-backed Chickadee nesting dates are reported as follows: "Egg dates for California March 12 - June 7. Height of season April 7 - June 1." " In California at Tilden Park, Contra Costa Co., mean date of first egg for P.r.barlowi over a 22 year period (n=430) March 25 +- 9 days." -Rusty Scalf _____ To: sightings@diabloaud ubon.com Subject: [EBB Sightings] Chestnut-backed Chickadee nesting I installed a nestcam box on Jan 1 under the eaves of my house. Chestnut-backed Chickadees started checking it out on Jan 13, and nest construction started Feb 25. I put wood chips in the box, which were quickly cleaned out on 2/25, then redwood bark shreds were brought in, and a circular shape was constructed. I first saw 2 birds at once in the box on Feb 27. It was slow going until today, March 8, with construction full speed ahead. With the camera I am watching and hearing them on TV. Other materials include feathers and dog hair. I will post progress. Also, on my bike ride today Orange-crowned Warblers were singing along Redwood Road, south of Pinehurst Road, the first ones I've heard this Spring. I have not yet detected an Allen's Hummingbird in my yard. They are usually here in late January or early February. There was a Rufous Hummingbird yesterday at my feeder. Where's the Allen's? There was a Yellow-rumped Warbler in my yard on Jan 2, the first in my yard, I've been here in the Oakland hills for 19 years. That was yard species #92. Johan Langewis Oakland, near Skyline and Shepherd Canyon [Non-text portions of this message have been removed]
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judisierra
I had a Chickadee inspecting my box a month ago. Although calling away, it couldn't convince it's perching nearby partner to come in and take a look.
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A Titmouse went in and out several times yesterday, spending several minutes in each time. Then it started perching and singing in several nearby spots but couldn't attract a girlfriend. Judi Sierra- Oakland
--- On Wed, 3/10/10, Phila Rogers <philajane6@yahoo.com> wrote:
From: Phila Rogers <philajane6@yahoo.com>
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Jaan Lepson <lepson@...>
While I haven't yet seen our chickadees in the nest box, the male (I
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presume) has been battering his reflection in our windows for over a week, so the hormones are flowing. I keep chasing him off, but to no avail. I also have to put plastic bags over my truck's mirrors to ward off the California Towhee, who sometimes hassles the bumper as well. Jaan Lepson Livermore
On Wed, March 10, 2010 5:16 pm, Judi Sierra wrote:
I had a Chickadee inspecting my box a month ago. Although calling away, --
Jaan Lepson University of California Space Sciences Laboratory 7 Gauss Way Berkeley, CA 94720-7451
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