Birdr

Red-throated Diver vs Great Northern Diver

Gavia stellata versus Gavia immer

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Play a quiz with Red-throated Diver and Great Northern Diver

Red-throated Diver (Gavia stellata) Red-throated Diver
Great Northern Diver (Gavia immer) Great Northern Diver

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Red-throated Diver · Great Northern Diver · My Tricky Birds