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5/14/2007

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Migration Monitoring at TTPBRS- May 6-12

Yellow-throated Warbler (©Seabrooke Leckie)

The second May update on migration monitoring at TTPBRS in spring 2007 summarizes a week that began with just a few drops of warblers and other neotropical migrants and ended with a flood! North winds on the 6th reduced bird numbers at TTPBRS, although there were still plenty of birds for our second training day of the season with FLAP volunteers. Good numbers of Ruby-crowned Kinglet, Hermit Thrush and a late Brown Creeper indicated that things were a little behind schedule. Conditions overnight were calm, which enabled a large volume of birds to pass over. The result was a very quiet morning on May 7th as just 15 birds were banded. A few 'new' warblers did choose to drop down on the lakeshore including Black-throated Green, Magnolia, Blackburnian, Hooded and our first ever Prothonotary Warbler! Tommy Thompson Park was 'flown over' again on May 8th as relatively few birds were evident despite heavy traffic on NEXRAD doppler radar overnight. Eastern Kingbird, Warbling Vireo and Common Yellowthroat were new for the spring. Migrant activity picked up a little on May 9 when 59 birds were banded including 4 Wood Thrush, 3 Gray Catbird and 5 Lincoln's Sparrow. Overnight rain on May 10 caused a significant grounding of migrants, resulting in 149 birds were banded and 18 warbler species recorded, including our 2nd Hooded Warbler of the spring. White-throated Sparrow, Least Flycatcher, Swamp Sparrow and Ovenbird were particularly abundant in the count area that morning. May 11 was a memorable day as a total of 95 species were recorded in 6 hours at TTPBRS, a new one-day record. A total of 184 birds were banded and 12 new arrivals were noted, including White-eyed Vireo, Scarlet Tanager, Indigo Bunting, Golden-winged Warbler, Black-billed Cuckoo and a stunning male Yellow-throated Warbler! An impressive 25 warbler species were observed during the morning. May 12 was the Spring Bird Festival at Tommy Thompson Park and over 150 participants were in attendance. There was lots of activity remaining from the previous day providing great opportunites for the public to view birds in-the-hand at TTPBRS!

HIGHLIGHTS (banding totals in green)

6 May
1-Winter Wren
1-Brown Creeper
22-Palm Warbler

7 May
1-Gray-cheeked Thrush
1-Hooded Warbler
1-Blackburnian Warbler
1-Prothonotary Warbler (1st record for TTPBRS)
1-Rose-breasted Grosbeak

8 May
1-Common Yellowthroat
3-Warbling Vireo
1-Slate-colored Junco

9 May
1-Black-bellied Plover
7-Least Flycatcher
4-Wood Thrush
24-Yellow Warbler
5-Lincoln's Sparrow

10 May
6-Least Flycatcher
2-Great Crested Flycatcher
11-Blue Jay
8-Blue-gray Gnatcatcher
2-Swainson's Thrush
1-Orange-crowned Warbler
1-Tennessee Warbler
2-Northern Parula
22-Magnolia Warbler
12-Black-throated Blue Warbler
2-American Redstart
1-Hooded Warbler
10-Swamp Sparrow
60-White-throated Sparrow
30-White-crowned Sparrow

11 May
1-Black-billed Cuckoo
24-Least Flycatcher
1-Traill's Flycatcher
12-Ruby-crowned Kinglet
8-Veery
8-Gray Catbird
1-Red-eyed Vireo
1-White-eyed Vireo (2nd record for TTPBRS)
40-Nashville Warbler
1-Golden-winged Warbler
1-Cape May Warbler
18-Chestnut-sided Warbler
1-Yellow-throated Warbler (1st record for TTPBRS)
10-Black-and-white Warbler
20-Ovenbird
15-White-crowned Sparrow
3-Scarlet Tanager
1-Grasshopper Sparrow (2nd record for TTPBRS)
26-Bobolink

12 May
22-Nashville Warbler
1-Orange-crowned Warbler
2-Blackburnian Warbler
2-Bay-breasted Warbler
1-Canada Warbler

Season Banding Total
2007-1666
2006-1444
2005-1288
2004-1376

Season Species Total
2007-156
2006-145
2005-142
2004-153