Uploaded July 2020 | Updated September 2026, 2 weeks ago

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The Purple Martins are fledging on Gobbler's Knob! In this video, I address questions about how the martins navigate the cages, how to identify the new fledges as they fly in and include a brief introduction to a new blogpost titled, "Winnowing: Natural & Unnatural, by John Barrow"
Link to post with more information: kathyfreeze.blogspot.com/2020/07/purple-martins-winnowing-natural-and.html