Añapero Ñacundá vs Añapero Colicorto

The Nacunda Nighthawk and Short-tailed Nighthawk can be distinguished primarily by their tail length and wing shape. The Nacunda Nighthawk has a longer tail and broader wings, while the Short-tailed Nighthawk has a notably shorter tail and more compact wings.

Look for the longer tail and broader wings of the Nacunda Nighthawk. In contrast, the Short-tailed Nighthawk will have a shorter tail and more compact wings. These structural differences are the most reliable field marks.

The Nacunda Nighthawk is generally larger with a longer tail compared to the more compact Short-tailed Nighthawk.