March 27 [Day 39] (Valley View site) (Bill Wilson) The day’s temperature high of 9C was not reached until 1800, rising from a low of 2C, ground winds that gusted to 50 km/h were variable until 1500 after which they were WSW to SSW and ridge winds were W moderate to strong all day. Cloud cover was mainly 50-100% altostratus and cumulus to 1500 after which the altostratus became very thin allowing sunny conditions for the first time, and observing conditions were excellent all day. The season’s earliest migrant so far was an adult Golden Eagle at 0758 and thereafter movement was fairly steady all day increasing after 1300 and peaking at 19 birds between 1600 and 1700, with the last Golden Eagle, a juvenile bird, moving north at 1831. The Bald Eagle passing at 1707 was the 300th of the season. The flight comprised 7 Bald Eagles (6a,1j), 4 adult Northern Goshawks, 1 unaged light morph Red-tailed Hawk, 2 Rough-legged Hawks (1 light, 1 dark) and 61 Golden Eagles (46a,10sa,4j,1u). Other migrants included 8 swans of unknown species, a probable California Gull and the season’s first Common Merganser [species # 47] and cismontanus Dark-eyed Junco. 14.33 hours (451.9) BAEA 7 (301), NOGO 4 (59), RTHA 1 (17), RLHA 2 (25), GOEA 61 (1748) TOTAL 75 (2175)
Mount Lorette [Day 27] (Ron Dutcher and Cliff Hansen) The temperature reached 8C from a low of 1C, ground winds were 5-10 gusting 15 km/h for most of the day, ridge winds were SW moderate to strong all day and cloud cover was 100-30% thin altostratus and altocumulus all day. Despite the excellent viewing conditions only 18 migrant Golden Eagles (15a,3u) were recorded, the first 2 at 0906 but the second 2 birds did not appear until after 1400 and the last went north at 1824. 11.75 hours (302.1) GOEA 18 (996) TOTAL 18 (1093)
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.
Subscribe to:
Post Comments (Atom)
Blog Archive
-
▼
2010
(95)
-
▼
March
(31)
- March 31 [Day 43] (Valley View site) It was a fair...
- March 30 [Day 42] (Valley View site) Yesterday’s b...
- March 29 [Day 41] (Valley View site) The temperatu...
- March 28 [Day 40] (Valley View site) (Denise Cocci...
- March 27 [Day 39] (Valley View site) (Bill Wilson)...
- March 26 [Day 38] (Valley View site) (Dawn Hall af...
- March 25 [Day 37] (Valley View site) A cloudless s...
- March 24 [Day 36] (Valley View site) Ground winds ...
- March 23 [Day 35] (Valley View site) The temperatu...
- March 22 [Day 34] (Valley View site) It was a stra...
- March 21 [Day 33] (Valley View site) It was a high...
- March 20 [Day 32] (Valley View site) It was a cold...
- March 19 [Day 31] (Valley View site) It was initia...
- March 18 [Day 30] (Valley View site) The temperatu...
- March 17 [Day 29] (Valley View site) It was a stra...
- March 16 [Day 28] (Valley View site) The maximum ...
- March 15 [Day 27] (Valley View site) A seasonal te...
- March 14 [Day 26] (Valley View site) (Denise Cocci...
- March 13 [Day 25] (Valley View site) (Bill Wilson)...
- March 12 [Day 24] (Valley View site) (Dawn Hall af...
- March 11 [Day 23] (Valley View site) Ridge winds w...
- March 10 [Day 22] (Valley View site) Cold air pers...
- March 9 (Valley View site) No observation possible...
- March 8 [Day 21] (Valley View site) It was a fairl...
- March 7 [Day 20] (Valley View site) For the 7th st...
- March 6 [Day 19] (Valley View site) It was complet...
- March 5 [Day 18] (Valley View site) Cloudless skie...
- March 4 [Day 17] (Valley View site) It was yet ano...
- March 3 [Day 16] (Valley View site) It was yet ano...
- March 2 [Day 15] (Valley View site) This was the w...
- March 1 [Day 14] (Valley View site) A season high ...
-
▼
March
(31)
No comments:
Post a Comment