complex
Arctic Warbler Complex
Phylloscopus borealis
Children
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Most observed native arctic warbler complex All
Native to the US, by observations.
complex
Phylloscopus borealis
Greener is more native, amber more introduced; paler is less certain. How this was decided
Native to the US, by observations.
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