Birdr

Lesser Black-backed Gull vs Slaty-backed Gull

Larus fuscus versus Larus schistisagus

Practice

Play a quiz with Lesser Black-backed Gull and Slaty-backed Gull

Lesser Black-backed Gull (Larus fuscus) Lesser Black-backed Gull
Slaty-backed Gull (Larus schistisagus) Slaty-backed Gull

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Lesser Black-backed Gull · Slaty-backed Gull · My Tricky Birds