September 8 – 14, 2022

Posted | filed under Weekly Reports.

With less than two weeks remaining, the end of songbird migration monitoring is fast approaching for the Lesser Slave Lake Bird Observatory. Although a few large foraging flocks produced two days of over 120 captures each, activity has begun to diminish as the second wave of Myrtle Warblers wanes. Only a few early migrants linger… Read more »

August 25 – 31, 2022

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With no recent sightings of the Black Bears which earlier seemed to be around every corner, the LSLBO can again open our nets. Yet most migration continues as a stream of overhead Myrtle Warblers with some new faces. These new observations include Greater White-fronted Geese, Gray-cheeked Thrush, and American Pipits – all tundra breeders we… Read more »

August 18 – 24, 2022

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As fall migration gains momentum with a second wave of birds heading south, the LSLBO has had to keep most nets closed due to persistent and bold black bears on-site. To keep birds safe, we have kept 12 of our 14 nets closed, opening only our two aerial nets that are raised up into the… Read more »

August 4 – 10, 2022

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The unusual and exciting captures of our Fall Migration Monitoring program continued for the Lesser Slave Lake Bird Observatory with our tenth ever Red-winged Blackbird, despite periods of poor weather and often subdued bird activity. Thanks to this lull we are able to summarize our Monitoring Avian Productivity and Survivorship (MAPS) program, which completed on… Read more »

July 27 – August 3, 2022

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The Lesser Slave Lake Bird Observatory recently finished its final period of Monitoring Avian Productivity and Survivorship (MAPS), but our summary of this breeding-focused program will have to wait until next week. While most of the 629 birds banded this week were again American Redstarts and Yellow Warblers, our Fall Migration Monitoring program had three… Read more »

July 21 – 27, 2022

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Southward songbird migration is well underway at the Lesser Slave Lake Bird Observatory. Though the sky is relatively quiet, the nets are getting busier such that July 27 captured 141 birds to become the busiest day of captures so far this fall monitoring period. Since migration began, the nets have been busier than average overall,… Read more »

July 14 – 20, 2022

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Believe it or not, the Lesser Slave Lake Bird Observatory began tracking southward bird migration on July 12. The first week of Fall Migration Monitoring was slow with captures and observations of baby birds and their parents many, but observations of clear migration few. Already a shift has begun. More and more we are seeing… Read more »

September 24 – 30, 2020

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Pictured: This Brown Creeper was the last bird banded in our Fall Migration Monitoring program, 2020. After a week of high winds and few birds, on September 30 the Lesser Slave Lake Bird Observatory completed the 2020 Fall Migration Monitoring season. And what a season it’s been! With approximately 3,944 birds banded (Table 1), this… Read more »

September 17 – 23, 2020

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It’s official, Fall Migration Monitoring 2020 has been the busiest for bird banding in the Lesser Slave Lake Bird Observatory’s 26 years of standardized monitoring. If you recall, this record was recently broken last fall when 3,761 birds were banded. With a week left to go in the fall program, we are already at 3,936… Read more »

September 10 – 16, 2020

Posted | filed under Weekly Reports.

At the Lesser Slave Lake Bird Observatory, the progression of the seasons is measured not only by the date on the calendar but also by the birds we see around us. As we approach the autumn equinox, Slave Lake is beginning to see an influx of later-migrating birds, among them Myrtle and Orange-crowned Warblers. A… Read more »