Tuesday, October 5, 2010

October 3 [Day 14] (Bill Wilson) It was another warm day with the temperature reaching 21C from a low of -1C and it was still 16C at 1900, ground winds were calm to light (0-5 km/h) and variable for most of the day, occasionally gusting SW 15 km/h, but ridge winds were moderate to strong SW all day gusting on occasion to 100 km/h. Cloud cover was initially 50% cumulus increasing to 70-100% stratus and cumulus after 0900 giving good observing conditions. The first migrant raptor, a Sharp-shinned Hawk, was not recorded until 1112 and the first Golden Eagle not until 1152 and by 1305 only 3 migrants had been logged including an adult Peregrine Falcon, the first for the season, at 1252. With the exception of 1400-1500 (5 birds), subsequent movement was steady with 22 birds moving between 1300 and 1400, 21 from 1500 to 1600, 20 from 1600 and 1700, 19 from 1700 to 1800 and 20 from 1800 to 1900, with the day’s last Golden Eagle still going south at 1903. The count included a season high count so far of 104 Golden Eagles (51a, 4sa, 35j, 14u) along with 1 female/juvenile Northern Harrier, 2u Sharp-shinned Hawks, 1u Cooper’s Hawk, 2 Rough-legged Hawks and an adult Peregrine Falcon. Other migrants included 31 Canada Geese, a probable 1st winter California Gull, 41 American Robins, 52 Bohemian Waxwings, 16 White-winged Crossbills and 14 Pine Siskins. The only mammals seen were the 25 visitors to the site who enjoyed both the weather and the raptor movement. 12.83 hours (153.75) NOHA 1 (3), SSHA 2 (40), COHA 1 (7), RLHA 2 (3), GOEA 104 (380), PEFA 1 (1) TOTAL 111 (529)

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