species 3,789 observations
Black-backed Woodpecker
Picoides arcticus
Field notes
The black-backed woodpecker (Picoides arcticus), also known as the Arctic three-toed woodpecker, is a medium-sized woodpecker (23 cm (9.1 in) long) inhabiting the forests of North America.
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Greener is more native, amber more introduced; paler is less certain. How this was decided