Birdr

Royal Tern vs White-tailed Tropicbird

Thalasseus maximus versus Phaethon lepturus

Practice

Play a quiz with Royal Tern and White-tailed Tropicbird

Royal Tern (Thalasseus maximus) Royal Tern
White-tailed Tropicbird (Phaethon lepturus) White-tailed Tropicbird

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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Royal Tern · White-tailed Tropicbird · My Tricky Birds