bacurau-de-asa-fina vs chuck-will's-widow

The Lesser Nighthawk and Chuck-will's-widow can be distinguished by their flight patterns and vocalizations. Lesser Nighthawks are known for their graceful, low flight over open areas, while Chuck-will's-widows are more often heard than seen, with a distinctive call.

Look for Lesser Nighthawks flying low over open areas at dusk or dawn, and listen for their trill. Chuck-will's-widows are more likely to be heard calling from wooded areas, especially at night.

Lesser Nighthawks often forage low over the ground or just above bushes, capturing insects in flight. Chuck-will's-widows are less often seen in flight and are known for their ground foraging behavior.

Lesser Nighthawks are typically found in arid and semi-arid regions, such as deserts and scrublands. Chuck-will's-widows are more associated with wooded areas.

Lesser Nighthawks have a distinctive toad-like trill, while Chuck-will's-widows are known for their repetitive, onomatopoeic call that sounds like their name.