Common nighthawk (Chordeiles minor), Pawnee National Grassland, Colorado, United States of America, North America

Adult sand-colored nighthawk (Chordeiles rupestris), Puerto Miguel, Upper Amazon River Basin, Loreto, Peru, South America

Adult sand-colored nighthawk, Chordeiles rupestris, taking flight within the Pacaya Samiria Preserve, Peru.

Adult sand-colored nighthawk, Chordeiles rupestris, taking flight within the Pacaya Samiria Preserve, Peru.

Adult sand-colored nighthawk, Chordeiles rupestris, perched in a tree within the Pacaya Samiria Preserve, Peru.

Adult sand-colored nighthawk, Chordeiles rupestris, perched in a tree within the Pacaya Samiria Preserve, Peru.

Lesser nighthawk (Chordeiles acutipennis) in flight, near Portal, Arizona, United States of America, North America