Birdr

Least Tern vs Yellow-billed Tern

Sternula antillarum versus Sternula superciliaris

Practice

Play a quiz with Least Tern and Yellow-billed Tern

Least Tern (Sternula antillarum) Least Tern
Yellow-billed Tern (Sternula superciliaris) Yellow-billed Tern

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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Least Tern · Yellow-billed Tern · My Tricky Birds