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The common nighthawk resembles both the Antillean nighthawk and the lesser nighthawk and occurs at least seasonally in the entire North American range of both of these species. The lesser nighthawk is a smaller bird and displays more buffy on the undertail coverts, where the common nighthawk shows white.
The least nighthawk (Chordeiles pusillus), at 6.3 inches (15–19 cm) and 23 grams (0.81 oz), is the smallest of all Caprimulgiformes, while the Nacunda nighthawk (Chordeiles nacunda) is one of the largest nightjars in the world measuring at 11-13 inches (28–33 cm).
Australasian figbird, catching a beetle on the wing. Hawking is a feeding strategy in birds involving catching flying insects in the air. The term usually refers to a technique of sallying out from a perch to snatch an insect and then returning to the same or a different perch, though it also applies to birds that spend almost their entire lives on the wing.
Species that live in the far north, such as the European nightjar or the common nighthawk, migrate southward with the onset of winter. Geolocators placed on European nightjars in southern England found they wintered in the south of the Democratic Republic of the Congo. [9] Other species make shorter migrations. [8]
The lesser nighthawk is an opportunistic feeder, meaning they can adapt to a diverse range of food sources, readily adjusting to the available prey. Nighthawks typically target the most abundant and easily captured prey. Depending on the season, they may forage individually or in groups. [2]
Robertson is one of many scientists working to unravel more of the mystery around migrating birds and their potential long-term survival as climate change multiplies the threats they face.
The plain-tailed nighthawk (Nyctiprogne vielliardi) is a species of nightjar (probably least known of the nightjars) [2] in the family Caprimulgidae. It is endemic to Brazil. Its natural habitat is dry savanna. It is threatened by habitat loss. The Plain-tailed was given its name due to the lack of bands on its tail.
The short-tailed nighthawk (Lurocalis semitorquatus) is a species of nightjar in the family Caprimulgidae. It is found in Mexico, in every Central American country except El Salvador, in Trinidad and Tobago , and in every mainland South American country except Chile and Uruguay.