The Piitaistakis (South Livingstone Ridge)and Mt. Lorette Raptor Counts for the spring migration of 2010 are underway. Follow the daily movement of raptors in these field notes by Research Director Peter Sherrington and his citizen scientist colleagues.
Sunday, April 18, 2010
April 18 [Day 59] (Valley View site) (Denise Cocciolone-Amatto to 1200) It was another warm day with the temperature reaching 17C between 1500 and 1630 from a low of 7C and remained at 13.5 at 1900. Ground winds ranged from NW to SW gusting to 35 km/h around midday and becoming light after 1800, and ridge winds were W moderate to strong to 1700 after which they became light NW. Cloud cover ranged from 30-90% mainly cirrus in the morning with thickening cumulus cloud developing in the afternoon. A total of 30 raptors migrated between 0804 and1906 with peak movement of 7 birds between 1400 and 1500, and 1500 and 1600, with the flight comprising 4 Bald Eagles (3a,1sa), 3 Northern Harriers (1 adult male, 1 adult female and 1 juvenile), 1 adult Sharp-shinned Hawk, 2 adult Northern Goshawks, 6 calurus Red-tailed Hawks (5 light (4a,1u) and 1 dark adult), 2 Rough-legged Hawks (1 light, 1 dark), 11 Golden Eagles (2a,4sa,5j) and the season’s first Gyrfalcon, an adult grey morph bird at 1213 [species #56]. A female Cassin’s Finch at the site at 0905 was the 55th bird species of the season. 12.67 hours (684.5) BAEA 4 (369), NOHA 3 (8), SSHA 1 (31), NOGO 2 (76), RTHA 6 (80), RLHA 2 (36), GOEA 11 (2063), GYRF 1 (1) TOTAL 30 (2698)
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- April 30 [Day 69] (Valley View site) I arrived on ...
- April 28 and 29 No observation. Winter storm condi...
- April 27 [Day 68] (Valley View site) It was a gloo...
- April 26 [Day 67] (Valley View site) (Dawn Hall to...
- April 25 [Day 66] (Valley View site) (Bill Wilson)...
- April 24 [Day 65] (Valley View site) (Bill Wilson)...
- April 23 [Day 64] (Valley View site) Heavy wet sno...
- April 22 [Day 63] (Valley View site) The temperatu...
- April 21 [Day 62] (Valley View site) For the secon...
- April 20 [Day 61] (Valley View site) The temperatu...
- April 19 [Day 60] (Valley View site) The temperatu...
- April 18 [Day 59] (Valley View site) (Denise Cocci...
- April 17 [Day 58] (Valley View site) (Bill Wilson)...
- April 16[Day 57] (Valley View site) The temperatur...
- April 15 [Day 56] (Valley View site) It was a very...
- April 14 [Day 55] (Valley View site) The ridges st...
- April 13 No observation. Light snow and flurries t...
- April 12 No observation. Snow, low overcast and a...
- April 11 [Day 54] (Valley View site) (Denise Cocci...
- April 10 [Day 53] (Valley View site) Under a cloud...
- April 9 [Day 52] (Valley View site) It was a cool ...
- April 8 [Day 51] (Valley View site) At 0700 it was...
- April 7 [Day 50] (Valley View site) It was another...
- April 6 [Day 49] (Valley View site) The temperatur...
- April 5 [Day 48] (Valley View site) Ground winds w...
- April 4 [Day 47] (Valley View site) The temperatur...
- April 3 [Day 46] (Valley View site) The day was ch...
- April 2 [Day 45] (Valley View site) The temperatur...
- April 1 [Day 44] (Valley View site) It was a sunny...
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