Eurasian Nightjar vs Swamp Nightjar

The Eurasian Nightjar and Swamp Nightjar are both cryptically plumaged, but the Eurasian Nightjar male is distinct with its white patches on the primaries and tail, which are absent in females and the Swamp Nightjar. Both species rely heavily on camouflage, making them challenging to identify without these key features.

Look for white patches on the primaries and tail in male Eurasian Nightjars. Females and Swamp Nightjars lack these features, making them harder to distinguish without close observation.

Eurasian Nightjar males have white patches in the primaries and tail, which are not present in the Swamp Nightjar. Both species have highly cryptic plumage.