Birdr

King Eider vs White-collared Swift

Somateria spectabilis versus Streptoprocne zonaris

Practice

Play a quiz with King Eider and White-collared Swift

King Eider (Somateria spectabilis) King Eider
White-collared Swift (Streptoprocne zonaris) White-collared Swift

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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King Eider · White-collared Swift · My Tricky Birds