genus
Cliff Swallows and Allies
Petrochelidon
Children
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Most observed native cliff swallows and allies All
Native to the US, by observations.
genus
Petrochelidon
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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