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.
Thursday, April 22, 2010
April 22 [Day 63] (Valley View site) The temperature reached a high of 19C at 1200 from a low of 4.5C and was 14C at 1600 but fell rapidly to 8C at 1700 as a disturbance brought steady rain that started at 1645. Ground winds were variable and generally light only occasionally gusting to 15 km/h and ridge winds became light SSW after 1300. Cloud cover was 10-60% cirrus and altocumulus until noon after which cumulus and stratocumulus cloud moved from the SW and thickened to 100% after 1400. Raptor migration was very sparse with only 6 birds moving, 3 of which were seen between 1152 and 1155, and the last bird of the day, a Red-tailed Hawk, moved north at 1626 shortly before the rain started. No new bird species were recorded but a single Brown Elfin was a new butterfly species for the season. 10.25 (731.5) SSHA 2 (36), COHA 1 (8), RTHA 2 (85), MERL 1 (9) TOTAL 6 (2736)
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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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