Birdr

Thick-billed Vireo vs Seaside Sparrow

Vireo crassirostris versus Ammospiza maritima

Practice

Play a quiz with Thick-billed Vireo and Seaside Sparrow

Thick-billed Vireo (Vireo crassirostris) Thick-billed Vireo
Seaside Sparrow (Ammospiza maritima) Seaside Sparrow

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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Thick-billed Vireo · Seaside Sparrow · My Tricky Birds