Birdr

Forster's Tern vs Arctic Tern

Sterna forsteri versus Sterna paradisaea

Practice

Play a quiz with Forster's Tern and Arctic Tern

Forster's Tern (Sterna forsteri) Forster's Tern
Arctic Tern (Sterna paradisaea) Arctic Tern

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Forster's Tern · Arctic Tern · My Tricky Birds