Birdr

Gull-billed Tern vs Black Tern

Gelochelidon nilotica versus Chlidonias niger

Practice

Play a quiz with Gull-billed Tern and Black Tern

Gull-billed Tern (Gelochelidon nilotica) Gull-billed Tern
Black Tern (Chlidonias niger) Black Tern

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Gull-billed Tern · Black Tern · My Tricky Birds