Date: 7/8/26 11:19 am From: 'Linda Andes-Georges' via Colorado Birds <cobirds...> Subject: [cobirds] E. Bluebird mystery in several chapters; setting prairie shortgrass ecosystem (Bldr Cnty)
Hello to all the bluebird lovers. I need specialized help solving this puzzlement (calling bluebird monitors like Carol McC!):
On June 24 I began to be aware of bluebird singing and ID'd it as Eastern thanks to learning the song years ago from Christian Nunes. I was excited: We have never had a bluebird of ANY kind here-- didn't even have them on our yardlist. This one was (trumpets!) species #128.
June 25 I realized that although the bird was singing all over the general area, he was favoring our yard. Jean-Pierre got some decent photos, I got an adquate recording. We were increasingly intrigued.
June 26 In the morning I happened to notice the little singer had a female companion. She inspected a swallow nestbox very briefly (less than a minute); then exited and flew away. Not to be seen again (by now I was paying close attention to all this) for 2 days. However when I inspected the nestbox that evening, there was already one small blue egg inside!
June 27 highly motivated, I was keeping a sharp lookout from this day on. No female but the male was singing up a storm (beautiful song).
June 28 another extremely brief sighting of a female.
June 29 early a.m. I checked the nestbox. There were now 2 eggs. But no more female this day, that I could see. Male singing a bit less.
June 30 ditto
July 1 ditto; male really ranging further abroad and not singing much in the yard
July 2 -3 ditto; by now I was thinking that the "ghost" female was a very immature or exhausted (from a previous brood) mom
July 4 hardly glimpsed the male at all
July 5 ditto
July 6 the male sat on nearby fence a while; no views of female
July 7 checked the nestbox in the evening; there were now 3 matching eggs, all somewhat warm.
July 8 observing nestbox obsessively. No views of male or female before 1 pm when I became busy.
?????
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