Monday, October 17, 2011

October 16 [Day 25] (Bill Wilson, assisted by Doug Pedersen, Cliff Hansen, Dixie Webb, Michael Sim and around 30 visitors to the site) The temperature at 0700 was a season-low -10C, but rose at 1600 to 8C before falling at 1900 to -5C. Ground winds were light all day, WSW to 0900 then SE to 1600 after which they were W for the rest of the day, while ridge winds were light to light-moderate SW all day not exceeding 20 km/h. Cloud cover was initially 5% altostratus increasing to 70-90% after 1000 until 1800 after which the sky became cloudless, the cloud cover being thin enough to give hazy sunshine all day. Raptors moved steadily between the first Golden Eagle at 0759 and the last at 1829 with peak movement of 32 birds ( 30 Golden Eagles, 1 Northern Goshawk and 1 Rough-legged Hawk) between 1500 and 1600 although the following hour saw highest Golden Eagle passage of 31 birds. All birds were seen over the Fisher Range where the light winds resulted in much soaring flight, although no more than three eagles were ever seen soaring together at one time. The flight of 155 birds comprised 5 Bald Eagles (2a,3sa), 1 unaged Cooper's Hawk, 4 Northern Goshawks (3a,1u), 7 light morph Rough-legged Hawks and 138 Golden Eagles (91a,13sa,23j,11u). Eight of the last 11 days have now produced counts of over 100 Golden Eagles, with the last 8 days having produced 1846 birds. A total of 11 Common Loons migrated high towards the south and 25 Canada Geese flew high to the south in a single line, but the 2 Northern Shrikes have not been seen since Friday. Bill was serenaded by two Great Horned Owls on his walk both to and from the site.

12.5 hours (291.48) BAEA 5 (43), COHA 1 (27), NOGO 4 (27), RLHA 7 (19), GOEA 138 (2236) TOTAL 155 (2470)

Piitaistakis-South Livingstone: Frank site (Peter Sherrington, assisted by Denise Cocciolone-Amatto, Raymond Tole, Patricia Wagenaar and Keith McClary) The temperature reached 8C at 1600 from a low of 2C, ridge winds were moderate W all day and cloud cover was 100% altostratus to 1130 after which it gradually thinned to 20% at 1400 and was cloudless after 1530 which made detection of high-flying eagles increasingly challenging. Raptor movement was initially slow with only 7 migrants seen before 1230 after which the rate increased but remained sporadic with birds generally moving very high to the south above the Livingstone Range. Maximum passage was 21 birds (19 Golden Eagles) between 1400 and 1500. The final count of 64 raptors comprised 2 Bald Eagles (1a,1j), 3 Sharp-shinned Hawks (2a,1u), 1 adult Cooper's Hawk, 1 adult Northern Goshawk, 1 adult light morph calurus Red-tailed Hawk and 56 Golden Eagles (28a,8sa,11j,9u). The weekend also saw 25 visitors at the site.

7.25 hours BAEA 2, SSHA 3, COHA 1, NOGO 1, RTHA 1, GOEA 56 TOTAL 64


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