Birdr

Sooty Tern vs Grey-backed Tern

Onychoprion fuscatus versus Onychoprion lunatus

Practice

Play a quiz with Sooty Tern and Grey-backed Tern

Sooty Tern (Onychoprion fuscatus) Sooty Tern
Grey-backed Tern (Onychoprion lunatus) Grey-backed Tern

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Sooty Tern · Grey-backed Tern · My Tricky Birds