Birdr

Black Tern vs White-winged Black Tern

Chlidonias niger versus Chlidonias leucopterus

Practice

Play a quiz with Black Tern and White-winged Black Tern

Black Tern (Chlidonias niger) Black Tern
White-winged Black Tern (Chlidonias leucopterus) White-winged Black Tern

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Writing a comparison…

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Black Tern · White-winged Black Tern · My Tricky Birds