Birdr

Gull-billed Tern vs Caspian Tern

Gelochelidon nilotica versus Hydroprogne caspia

Practice

Play a quiz with Gull-billed Tern and Caspian Tern

Gull-billed Tern (Gelochelidon nilotica) Gull-billed Tern
Caspian Tern (Hydroprogne caspia) Caspian Tern

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Gull-billed Tern · Caspian Tern · My Tricky Birds