Bay-breasted warbler



Another migrant, Bay-breasted warbler, Rondeau Provincial Park, Aug 2,2023.
Don't recall having a bay-breasted at this time of year, particularly one with such good colour.
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.
source -Cornell Lab of Ornithology

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