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Archived Postings

July 25, 2005 – July 31, 2005

July 25 to July 31, 2005 The birds decided that this would be a good week to start making their move southward. Birds were everywhere and the netlanes were hopping. A total of 479 birds were banded during migration this week; bringing the fall banding total to 765 birds. 122 birds were banded at the migration site on July 26, the new top banding day for 2005. An additional 128 birds were banded at the MAPS sites. On the two busiest days, July 26 and July 27, MAPS and migration banding sites were operating at the same time and about 160 birds were banded between the two sites on each day. The majority of the birds captured this week were young tennesse warblers, yellow warblers, american redstarts, and ovenbirds. Canada warbler captures began to increase noticeably near the end of the week. Two bay-breasted warblers were also captured, which is always a treat. The spotlight captures of the week were the three chestnut-sided warblers, an adult female and two young, on July 25. Slave Lake is on the western tip of the chestnut-sided warbler’s breeding range. From the evidence of breeding condition and stage of growth of the young it is highly unlikely that these birds were nesting in the area. Very few chestnut-sided warblers have been captured at the LSLBO (about 15 including these three) so they were “good birds”. With all the new birds being banded, I pulled out the calculator and realized that the LSLBO had banded its 40,000 bird. Bird number 40,000 was a song sparrow captured on the last net check on July 28. It was a hatch year bird (born this summer), but the sex of the bird, unfortunately, was undeterminable. 40,000 is a lot of birds and there will be more about this in the upcoming edition of the “Warbler”, the LSLBO’s newsletter.

2010