Incubation begins …

Bluebird flying high,
Tell me what you sing.
If you could talk to me,
What news would you bring
Of voices in the sky?
– The Moody Blues, In Search of the Lost Chord, lyrics from Voices in the Sky, Justin Hayward, 1968

bluebird, eggs 004Mama spent most of yesterday inside the box.  A sign she has begun incubating her eggs.  She would periodically peer out the hole and Daddy occasionally brought her a bug.  Like most birds, the eggs don’t begin to develop until the mother bird warms them to her body temperature. She has been in the box all morning and still only four eggs, so I feel comfortable she is incubating.

Bluebird eggs hatch in 12-14 days, I usually figure 13.  That would mean this clutch should hatch about 06 April.  Not a lot to report between now and then.  Watching eggs incubate is about like watching grass grow. But as soon as the babies hatch the box will be a beehive of activity with the bluebirds working overtime to feed four babies.

Total chicks fledged from this site is 57.

First Brood 2015

  • First sign of nest building                                                       10 March
  • Nest completed                                                                          18 March
  • First egg                                                                                       19 March
  • Second egg                                                                                  20 March
  • Third egg                                                                                     21 March
  • Fourth egg                                                                                   23 March
  • Incubation begins                                                                      24 March



About lindell dillon

Lindell Dillon is retired and lives in Norman, OK. He grew up in Duncan, attended Cameron College and graduated from the University of Oklahoma. His interests include photography, nature, birding, and investing. Oklahoma Master Naturalist, alumnus Norman Police Department Citizens Academy.
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4 Responses to Incubation begins …

  1. Jo Ann says:

    Was wondering if your bluebirds were early this year, or at the usual time. (Whatever that is!)
    We don’t usually get them here in Chicago until around May.
    p.s. Thanks for posting nesting/incubation times. Very useful!

    • lindell dillon says:

      Resident bluebirds remain in Oklahoma year round. We also have a lot of northern birds that winter here.

  2. pamdan says:

    I was so pleased to find your site. I too am fascinated with the little Blue Bird and have been following their activity in my back yard since Winter 2014. My bluebirds had two broods last year. Sadly only two hatchlings out of seven survived. One was taken by a Cooper Hawk and the other four while still in the box (I think by a Racoon ). Happily though the two fledglings were frequent visitors to my back yard and I was able to take lots of photos of them.
    Today a male placed the first pine needle in the Bluebird box – hopefully the female will begin the task of building the nest soon, but last year the nest building didn’t begin until the middle of April so it may be a while yet. I look forward to your future posts and know I will learn a lot from a “serious Blue Bird watcher.” 🙂 If interested check out my blog, just started today, on my back yard bluebirds the link is

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