Bay breasted warbler

Rondeau Provincial Park, Ontario, Canada, May 10, 2019.


Needed some colour and a reminder of spring. -15C in the mornings. Tired of the polar vortex.
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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