Sunday, October 10, 2010

October 10 [Day 21] (Bill Wilson) The temperature was a surprising 14C at 0700 rising to a high of 19C, and falling to the day’s low of 9C at 1900. Ground winds were SSW-NNW 5-10 gusting 20 km/h for most of the day, gusting to 40 km/h in mid-afternoon, and ridge winds were strong SW all day gusting to 150 km/h in the morning and to 110 km/h in the afternoon. Cloud cover was 90-100% altostratus and cumulus all day and light rain fell between 1530 and 1630 followed by showers for the rest of the day. There was steady Golden Eagle movement all day between 0805 and 1914 which peaked at 46 between 1000 and 1100 and 42 between 1100 and 1200, with only the rain producing a zero hour between 1700 and 1800, and 9 birds moved after 1900. The 249 Golden Eagles comprised 148 adults, 2 subadults, 27 juveniles and 72 birds of undetermined age, and movement was both along the Fisher Range and over the eastern half of the valley including some birds that moved high overhead. Other raptor movement was very sparse and comprised 1 adult Bald Eagle, 1 large Accipiter, 2 dark morph Rough-legged Hawks, and a Merlin of undetermined race, sex or age. Passerine movement was again thin and included 20 Pine Siskins, 15 Bohemian Waxwings and 3 Ruby-crowned Kinglets. 12.33 hours (234.83) BAEA 1 (72), UA 1 (10), RLHA 2 (7), GOEA 249 (1663), MERL 1 (2) TOTAL 254 (1896)

1 comments:

Anonymous said...

I don't understand why you saw so many and we saw none. We went along Wasootch creek in the fisher range between 11:00 and 12:30 then went to Nakiska ski area and walked up about 400 meters between 13:00 and 16:00 and saw nothing along Fisher across the way.

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