White-naped Swift

Streptoprocne semicollaris

The White-naped Swift (*Streptoprocne semicollaris*) is a magnificent and robust aerial insectivore, holding the distinction of being the largest swift in the Americas. Measuring an impressive 34-38 cm (13-15 in) in length with a wingspan of 50-55 cm (20-22 in) and weighing 180-230 g (6.3-8.1 oz), it is largely glossy black with a broad, white, crescent-shaped half-collar on its nape, which gives the species its name and is its most distinctive field mark, though often hard to discern in flig...

Habitat

Found in mountainous regions, often around steep cliffs, deep canyons, and gorges, usually near large bodies of water. Typically occurs at elevations between 500-3000 meters (1,600-9,800 ft), but can range higher or lower.

Diet

Strictly insectivorous, feeding on a wide variety of aerial insects including beetles, moths, bees, wasps, ants, and flies. Foraging occurs high in the air above diverse habitats.

Behavior

White-naped Swifts are highly social and diurnal, spending nearly their entire lives on the wing. They are renowned for their powerful, graceful flight, often soaring in large, spectacular flocks at great heights. These swifts are colonial breeders and roost communally, utilizing extensive cave s...

Range

The White-naped Swift is largely resident throughout its range, which spans from western and southern Mexico through portions of Central America. In Mexico, its distribution extends from Sonora and Chihuahua south through Jalisco, Michoacán, Guerrero, Oaxaca, and Chiapas. Southward, isolated popu...

Conservation Status

Least Concern

Fun Facts

- The White-naped Swift is the largest swift species found in the Americas, often exceeding a foot in length. - These incredible birds are known to nest and roost colonially deep within extensive cave systems, often in complete darkness. - White-naped Swifts are exceptionally powerful fliers, cap...

Back to Encyclopedia