species 35,394 observations
Northern Rough-winged Swallow
Stelgidopteryx serripennis
Field notes
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
species 35,394 observations
Stelgidopteryx serripennis
Greener is more native, amber more introduced; paler is less certain. How this was decided
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