Chotacabras Pantanero vs Chotacabras Chico

The Sickle-winged Nightjar and Little Nightjar can be distinguished by their wing and tail patterns. The Sickle-winged Nightjar has distinctive sickle-shaped wings and lacks the white tips on the tail feathers that are present in the Little Nightjar.

Check for wing shape: Sickle-winged Nightjar has sickle-shaped wings. Look at tail tips: Little Nightjar has white tips on all but the central rectrices. Note any tawny collar: Present in Little Nightjar.

The Sickle-winged Nightjar does not have the white tips on the tail feathers that the Little Nightjar has. The Little Nightjar also features a broad tawny collar across the hindneck and a white patch close to the wingtip.