September 28 – October 3, 2023

Posted | filed under Weekly Reports.

On October 3, Fall Migration Monitoring at the Lesser Slave Lake Bird Observatory ended after 84 days. We normally end on September 30, and this is the first time since 2008 that we pushed into October due to the unseasonably warm weather, which may have delayed movements of some short-distance migrants. It remains unclear if… Read more »

September 21 – 27, 2023

Posted | filed under Weekly Reports.

Fall migration continues to be unusually slow. The nights have been warm and the owls sparse, but there are other things of interest in the dark hours from the odd deer, flying squirrel, or bear to spectacular northern lights and migrating geese. It may come as a surprise that most migration occurs at night when… Read more »

September 7 – 13, 2023

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We have finished our second week of owl migration monitoring at the Lesser Slave Lake Bird Observatory. There are two species that we target here. The first is the Northern Saw-Whet Owl, one of the smallest owls in Canada (second only to the Northern Pygmy-Owl) and our most frequent flier. Since the program began in… Read more »

May 25 – 31, 2023

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It has been a slow week at the Lesser Slave Lake Bird Observatory as we pass the peak in songbird migration. Only a handful of species are still moving, including Cedar Waxwings, Mourning Warblers, Alder Flycatchers, and Red-eyed Vireos. While most of our time is spent watching the skies and forests to document movements, the… Read more »

May 12 – 18, 2022

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This week has been unusually slow and quiet for the Lesser Slave Lake Bird Observatory. Many of the species which breed north of us and migrate early in the spring have already moved on with only a few stragglers left. However, many of the later migrants have yet to arrive. Most years, this week is… Read more »

August 30-September 5, 2019

Posted | filed under Weekly Reports.

This week we began our Owl Migration Monitoring program that targets two very small owl species: the Northern Saw-whet Owl, which is about the size of a pop can, and the slightly larger Boreal Owl. Despite the targeted efforts of researchers across Canada and the United States, these owls’ movements are still poorly understood. Before… Read more »