Birdr

European Storm-Petrel vs Swinhoe's Storm-Petrel

Hydrobates pelagicus versus Hydrobates monorhis

Practice

Play a quiz with European Storm-Petrel and Swinhoe's Storm-Petrel

European Storm-Petrel (Hydrobates pelagicus) European Storm-Petrel
Swinhoe's Storm-Petrel (Hydrobates monorhis) Swinhoe's Storm-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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European Storm-Petrel · Swinhoe's Storm-Petrel · My Tricky Birds