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10/10/2006

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Fall Migration at TTPBRS- Sept 30-Oct 6, 2006


The past week was a busy one indeed as large numbers of birds were encountered at Tommy Thompson Park. On September 30th, several late fall waterfowl species arrived (Common Goldeneye, Bufflehead, Ring-necked Duck) and numbers of Yellow-bellied Sapsucker, White-throated Sparrow and Nashville Warbler were particularly high. A total of 105 birds were banded on the day. Blue Jays peaked for the fall on October 1st (400 counted) and high numbers of kinglets and sapsuckers were evident once again. A total of 151 birds were banded on the 2nd which consisted of mostly kinglets, Hermit Thrushes, Eastern Phoebes, and Myrtle Warblers. Rain moved into the Toronto area on the 3rd which kept our nets closed for two consecutive days. On October 5th we experienced an unprecedented passage of both Ruby-crowned and Golden-crowned Kinglets. We began the day by cautiously opening 12 of our 15 mistnets, sensing that large numbers of birds were in the area. The second net check of the day revealed that 190 birds (mostly kinglets) were in the nets all at once! We had never seen so many birds at TTPBRS before and by day's end we had banded 162 and released 373 birds unbanded. Conservative estimates of kinglet numbers were that 1500 Golden-crowned and 700 Ruby-crowned Kinglets poured through the study area that morning. Eastern Towhee and Fox Sparrow also appeared for the first time this fall. On the final day of the update period, numbers of birds were still very high as 161 birds were banded.

HIGHLIGHTS

Captures


Sep 30
1-Wood Thrush
2-Orange-crowned Warbler
18-Nashville Warbler
Oct 1
1-Wilson's Warbler
Oct 5
1-Eastern Towhee
1-Fox Sparrow
Oct 6
2-Field Sparrow

Observations

Sep 30
18-American Wigeon
1-Dunlin
23-Hermit Thrush
1-Purple Finch
Oct 1
4-Northern Harrier
30-Yellow-bellied Sapsucker
400-Blue Jay
15-Winter Wren
33-Nashville Warbler
1-Northern Parula
Oct 2
35-Yellow-bellied Sapsucker
26-Eastern Phoebe
4-Gray-cheeked Thrush
10-American Pipit
175-Myrtle Warbler
Oct 5
1500-Golden-crowned Kinglet (record high for TTPBRS)
700-Ruby-crowned Kinglet (record high for TTPBRS)
75-Hermit Thrush
1-Blackpoll Warbler
5-Eastern Towhee
6-Fox Sparrow
105-White-throated Sparrow
90-Slate-coloured Junco

Birds Banded: Aug 5-Oct 6
06-3337
05-2164
04-2294

Species Recorded: Aug 5-Oct 6
06-160
05-160
04-156