Birdr

Black Tern vs Fea's Petrel

Chlidonias niger versus Pterodroma feae

Practice

Play a quiz with Black Tern and Fea's Petrel

Black Tern (Chlidonias niger) Black Tern
Fea's Petrel (Pterodroma feae) Fea's Petrel

Media

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These two are often mixed up in quizzes. Look at the photos, then practise the pair until the field marks stick.

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Black Tern · Fea's Petrel · My Tricky Birds