Bill Uhrich: As time passes, sound of the blackpoll warbler recedes - Reading Eagle

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Bill Uhrich: As time passes, sound of the blackpoll warbler recedes Reading Eagle Birders consider the appearance of the blackpoll as the curtain-closer on the warbler migration. The bird usually arrives in the middle of May when the leaf canopy is full, making sight detection nearly impossible. I didn't hear any of the high-pitched ...