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Bluebird HybridsDate: Fri, 23 Feb 2001 12:38:47 -0800 Hello gang! Sherry here in cool Osoyoos, BC elev 2150' on the border with Washington State directly north of Wenatchee It's been a while but I have been lurking and was getting almost to the point of dropping out ... then more Kridler Kronicles, Springer Specials, Wendell Wisdom started shining through and with the return of the bluebirds - how could I resist? Gary asked about interbreeding of bluebird species... we in BC have seen Western and Mountain mixes on the northern extremes of the breeding territory. In the past few years, Western Bluebirds have been slowly extending their range. Where there have been the odd sightings of Westerns, monitors have reported a Western female on a nest with a male Mountain in attendance. It is rare, but it obviously happens. I have a slide of a Mountain/Eastern hybrid taken (I believe) in Manitoba or Saskatchewan. The slide is from the NABS presentation selection if I am not mistaken. Perhaps Doreen Scriven can help out here. Western Bluebird numbers were higher than usual in our Christmas Bird Counts (not on my teams unfortunately) and Mountain Blues were also on the Osoyoos/Oliver count. They came back to my property on January 31st - a record early sighting for me. Watched 4 pairs at my neighbors yesterday morning. They are checking out nestboxes but it is far too early for nesting at this point. Nothing has been deposited in the boxes and I have never observed what I would consider claim straws. I agree with the comments though that the birds habits will vary from area to area. The song of my Mountains is slightly softer than any I have heard recorded. I have read that bluebirds sing in the early morning and not generally later in the day ... that has not been my experience. My bluebirds sing whenever I come out of the house and they are nearby. I think we all tend to put human traits on "our" birds - and I for one have no problem with that at all! Spring REALLY is coming! Hope to meet many of you in Ohio in June at the NABS conference. Sherry Linn PS - thanks for the info on the Backyard Bird Count ... I thought I'd missed getting my data in and am glad I can still add it!
Date: Mon, 11 Jun 2001 08:57:16 -0400 Haleya Priest Amherst MA Please help us determine whether this pix of one my nesting female EABL is simply a drab adult or some hybrid, mutant or whatever!!! You can view the photos at: http://www.pbase.com/gallery/enjr/female_bluebird Ed Neid, the photographer, wonders: Also, after studying the slides taken at Rt. 116, I think it is possible your bird could be a Southwest race female as seen in the Kauffman guide.
To: BLUEBIRD-L"at"cornell.edu (BLUEBIRD-L) hey Karen from south central PA i done some research, i found the pics of the birds i was watching,, i have here the easteren blue bird and the westeren blue bird, sillie me i through the smaller bird was just last years bird, i didnt know we had westeren blue birds here in KY, the easteren blue bird is a more stright line bird, the wasteren blue bird has a larger chest, well i may try a few next boxes with a larger hole, you know put them close together and see which one they want to build in, but ever one can rest asured NO HS will build in one of these blue bird nest boxes, after i have 47 blue bird nest boxes and just about to run out of room to put them all and O by the way i have ordered a bluebird monitors guide, we will see how this blue bird farming goes :-) O PS there is a few of the boxes that have the start of a nest in it Al To: BLUEBIRD-L"at"cornell.edu (BLUEBIRD-L) both the birds are blue on there back and like a robin on the brest,, one has more orange then the other, if the pics on the net i have seen of the easteren blue bird and the western blue bird or correct, we do have both eastern and the western blue bird here in KY, i will keep researching and learning all i can about the blue bird and all the birds as far as that goes, if i am going to do this i want to do ti right, and to the best of my ability, Al From: "Allene Miller" acarlenea"at"hotmail.com Al, According to a birding book that I have, The Nature Company Guides by Forshaw, Howell, Lindsey and Stallcup, the Western BB has a blue throat and some red on back while the Eastern BB is bright blue above and reddish below. Allene of the Bluegrass State From: "Allene Miller" acarlenea"at"hotmail.com I think anything is possible. If the trend of the weather can change, and the killer bees migrate 100miles North each year, then why can't the birds cross into each other's territory? Don't let anyone tell you what you didn't see. Keep records, take pictures, document, who knows, you might be a first in something. Allene of the Bluegrass State To: BLUEBIRD-L"at"cornell.edu (BLUEBIRD-L) none of the blue birds i am seeing have a white bellie At 09:46 PM 3/13/02 -0800, you wrote: Does the bird you believe is a Western Bluebird have that blueish/grayish
color on the belly? The eastern bluebird's belly is pretty white. Kate Oschwald |
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