![]() [Photo by Rod Olsen and friends] |
Right on the heels of the first January sub-zero cold snap a Roughleg and a Turkey Vulture showed up in Nine Acre Corner. Next, an adult Bald Eagle and an immature Redtail marked like this bird [banded in Vermont in November]. None stayed.
At the same time, a small contingent of Roughlegs invaded Daniel Webster Wildlife Sanctuary on the South Shore [MA] and Redtails teed up along Rt. 91. And in Northern NY the number of Roughlegs remained around fiftty birds, but a December ratio of 2:1 [light over dark] was upgraded to 1:1! |
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On Sunday, January 25, 2004 this older adult bird and a known "local" bird were spotted on a frigid afternoon tour of Nine Acre Corner. The "orange bird" right in NAC and the white one over on Baker Bridge Road adjacent to Walden Pond [images of the leucistic bird are on Marj. Rines' website].
Probably from a northern land with small trees this bird landed in the fine branches of a Red Maple and the branches started oscillating up and down... just like home. It's interesting to make comparisons to a bird from last Winter. Buteo jamaicensis abieticola is so over. First proposed as our very own eastern variety in 1950 [and again in 1986], Brian Wheeler comments that he doesn't see the evidence. For me, I have seen individuals -- like the bird to the left -- but they are few and far between in migration. The museum collections used in the published works seem to have a disproportionate number of specimens to their occurence in the Wild. I have never seen a wave in migration or enough birds in any wintering area over the last decade of looking hard/carefully to offer indirect evidence that a population in any kind of geographically specific area exists. But... Is there a small hooded bird with a fine belly band worthy of classification? Is there a unifying subspecies extending across the northermost entirety of the Redtail's range? How about a population of large, brown birds? If and when the costs come down, GPS and DNA work will tell the tale/tail. So, even if nothing comes of this in our little lifetimes and we get an incomplete in God's latest class -- Art Appreciation For Beginners -- She's still teaching us somethin'... |