Motmot

Plume-toed Swiftlet vs Grey-rumped Swiftlet

Collocalia affinis versus Collocalia marginata

Practice

Play a quiz with Plume-toed Swiftlet and Grey-rumped Swiftlet

Plume-toed Swiftlet (Collocalia affinis) Plume-toed Swiftlet
Grey-rumped Swiftlet (Collocalia marginata) Grey-rumped Swiftlet

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Plume-toed Swiftlet · Grey-rumped Swiftlet · My Tricky Birds