The
Black Swift is the largest swift species in North America. They are a
somewhat enigmatic species, given their rather unique habitat preferences.
While Black Swifts can forage in nearly any habitat that has flying insects
available for prey, their breeding preferences in North America are quite
distinct. Nesting occurs in protected crevices in rock faces and
cliffs, and protected areas such as wet, rocky cliff faces behind waterfalls
are a preferred nesting site. Given the scarcity of such habitat, the
breeding range of the species is scattered and local.
Habitat: During the breeding season, Black Swifts
are found using rocky ledges or rocky crevices for nesting. Locations are
often along the coastline, or in protected areas behind waterfalls.
Diet: Feeds on flying insects.
Behavior: Only feeds while in flight, using it's
large mouth opening to grab insects from mid-air.
Nesting: The nest of a Black Swift is a small
relatively flat cup of mud, mosses, and ferns, placed on a protected rocky
ledge or crevice. The female lays a single egg, with both parents
helping to incubate it. Upon hatching, both parents help to feed the
young, with the young leaving the nest after about 45 days.
Song: Series of chattering chip notes, typically
slowing in pace towards the end.
Migration: Considered a permanent resident in
parts of their range, such as in parts of the Caribbean, Mexico, and Central
America. However, birds in the United States and Canada are migratory.
Similar Species:
In range, most likely to be confused with the
White-throated Swift.
Conservation Status: Populations have declined in
some locations, but they are still spread across a wide geographic region
and are present in adequate numbers in much of their natural range.
The IUCN
lists the Black Swift as a species of "Least Concern".