Thursday, October 13, 2011

October 13 [Day 22] (Terry Waters) It was again a cooler day with a starting temperature of -4C that rose to a high of 8C at 1500 before falling to 1C at the end of the day. Ground winds were SW, generally light but gusting to 15-20 km/h around 1300, and ridge winds were steady moderate WSW-SW all day gusting to 64 km/h in the morning and 69 km/h in the afternoon. Altocumulus cloud cover started at 5% and reached a maximum of 30% providing a mainly sunny day and good observation conditions. The first of the day's 78 Golden Eagles (42a,7sa,21j,8u) was seen at 0916 and subsequent movement was steady until 1500 at which time 33 birds had been tallied. The pace then quickened with the next three hours producing 17, 19 and 18 birds respectively and the last Golden Eagle went south at 1806. Other raptors were 2 adult Bald Eagles, 2 Sharp-shinned Hawks (1a,1u), 1 adult Cooper's Hawk, 4 Northern Goshawks (3a,1u) and1 adult rufous morph calurus Red-tailed Hawk. All of the day's 88 migrant raptors were seen to the east, with the Golden Eagles gliding high and fast above the Fisher Range: no birds were seen over Mount Lorette or to the west. A single Common Loon migrated high to the south above the valley and passerines included 1 White-breasted Nuthatch, 45 White-winged Crossbills and 38 Bohemian Waxwings, while the Vesper Sparrow and two Northern Shrikes seen yesterday were still present today.

11 hours (255.81) BAEA 2 (38), SSHA 2 (38), COHA 1 (23), NOGO 4 (23), RTHA 1 (17) GOEA 78 (1851) TOTAL 88 (2062)


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