Tuesday, October 5, 2010

October 4 [Day 15] (Joel Duncan) Rain fell overnight but it had stopped before observation began at 0730, and it was another warm day with the temperature reaching 19C from a morning low of 9C and falling to the day’s low of 7C at 1900. Ground winds were S-SW 5-10 km/h all day, while ridge winds were mainly strong all day gusting between 50 and 80 km/h. Cloud cover was 90-100% altostratus, altocumulus and cirrus to 1300 after which it rapidly cleared to 10-30% altostratus and cirrus giving a sunny afternoon. Golden Eagles again dominated with 45 birds (29a, 4sa, 4j, 9u) counted out of a total flight of 58 birds that moved between 0820 and 1858. Other migrants were 1 Osprey, 9 Bald Eagles (5a, 1sa, 3j), 1 juvenile Sharp-shinned Hawk, 1 adult light morph calurus Red-tailed Hawk and 1 unidentified eagle. About 40 of the day’s migrants moved between 1100 and 1400. There was some passerine movement mainly involving 6 Ruby-crowned Kinglets, 20 American Robins, 30 Bohemian Waxwings and 3 Yellow-rumped Warblers. 12 hours (165.75) OSPR 1 (3), BAEA 9 (48), SSHA 1 (41), RTHA 1 (27), GOEA 45 (425), UE 1 (5) TOTAL 58 (587)

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