Pennant-winged Nightjar vs Square-tailed Nightjar
Caprimulgus vexillarius versus Caprimulgus fossii
Play a quiz with Pennant-winged Nightjar and Square-tailed Nightjar
Pennant-winged Nightjar
Square-tailed Nightjar
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Writing a comparison…
This looks up Birds of the World identification notes, then asks the model to contrast the pair. It can take a minute.
Pennant-winged Nightjar · Square-tailed Nightjar · My Tricky Birds