Coming soon .
Bay-breasted warbler, May 10, 2019, Rondeau Provincial Park, Ontario, Canada.
Really looking forward to the spring migration.
Setophaga castanea
The density of nesting Bay-breasted Warblers during outbreaks of spruce budworm was very high in historical times. One Ontario study in 1946 found as many as 230 pairs in just 247 acres.
Source - Cornell Lab of Ornithology.
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