Birdr

Swallow-tailed Gull vs Andean Gull

Creagrus furcatus versus Chroicocephalus serranus

Practice

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Swallow-tailed Gull (Creagrus furcatus) Swallow-tailed Gull
Andean Gull (Chroicocephalus serranus) Andean Gull

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Swallow-tailed Gull · Andean Gull · My Tricky Birds