Birdr

Common Guillemot vs Rusty Blackbird

Uria aalge versus Euphagus carolinus

Practice

Play a quiz with Common Guillemot and Rusty Blackbird

Common Guillemot (Uria aalge) Common Guillemot
Rusty Blackbird (Euphagus carolinus) Rusty Blackbird

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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Common Guillemot · Rusty Blackbird · My Tricky Birds