Bay-breasted warbler




 The weather has been poor in our yard reducing the number of warblers, so it was a pleasure to see this bay-breasted warbler.

Rondeau Provincial Park, Ontario, Canada, May 18, 2025.

Setophaga castanea

Bay-breasted Warblers are voracious predators of spruce budworms. One study concluded that they consumed over 13,000 budworms per hectare (about 2.5 acres) in just 41 days.


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