The bare-legged swiftlet is a species of swift in the family Apodidae. It is found in New Guinea, in subtropical and tropical moist montane forests.
Region
New Guinea
Typical Environment
This species inhabits subtropical and tropical moist montane forests across the New Guinea mainland, favoring forested ridges, valleys, and edges. It often forages above the canopy, along slopes, and over clearings where aerial insects are concentrated. Roosting and nesting occur in caves, sinkholes, and sheltered rock crevices, and occasionally in man-made structures nearby. It may descend to lower elevations along river valleys but is most typical in upland forest zones.
Altitude Range
500–2200 m
Climate Zone
Tropical
Ease of Keeping
Beginner friendly: 1/5
The bare-legged swiftlet is a small, dark swiftlet restricted to New Guinea’s moist montane zone. Its name refers to its largely unfeathered tarsi, a trait that helps distinguish it from similar Collocalia swiftlets. It nests colonially on cave walls and sheltered rock overhangs, using plant fibers bound with saliva. Like other swiftlets, it spends most of its life on the wing, expertly hawking tiny insects over forested slopes and ridgelines.
Temperament
social and active
Flight Pattern
fast and agile with rapid, fluttery wingbeats and swift, darting turns
Social Behavior
Typically forms small to medium-sized flocks while foraging, often mixing with other swiftlet species. Nests colonially on cave walls and sheltered overhangs, constructing shallow cups of plant fibers bound with saliva. Pairs are likely monogamous for the season, with both adults attending the nest. Roosting is communal, offering warmth and protection.
Migratory Pattern
Resident
Song Description
Vocalizations are high-pitched twitters and sharp chip notes given repeatedly in flight and around colonies. Calls form a constant, busy chatter near nest sites. The voice carries well over ravines and forested slopes.
