Birdr

Sooty Swift vs Great Dusky Swift

Cypseloides fumigatus versus Cypseloides senex

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Play a quiz with Sooty Swift and Great Dusky Swift

Sooty Swift (Cypseloides fumigatus) Sooty Swift
Great Dusky Swift (Cypseloides senex) Great Dusky Swift

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Sooty Swift · Great Dusky Swift · My Tricky Birds