[order] APODIFORMES | [family] Apodidae | [latin] Streptoprocne zonaris | [UK] White-collared Swift | [FR] Martinet a col blanc | [DE] Halsband-Segler | [ES] Vencejo Acollarado | [NL] Witkraaggierzwaluw
Subspecies
Genus | Species | subspecies | Breeding Range | Breeding Range 2 | Non Breeding Range |
Streptoprocne | zonaris | LA | widespread, also Caribbean | ||
Streptoprocne | zonaris | albicincta | s Venezuela and the Guianas | ||
Streptoprocne | zonaris | altissima | higher elevations of Colombia and Ecuador | ||
Streptoprocne | zonaris | bouchellii | Nicaragua to Panama | ||
Streptoprocne | zonaris | kuenzeli | Bolivia and nw Argentina | ||
Streptoprocne | zonaris | mexicana | s Mexico, Belize | ||
Streptoprocne | zonaris | minor | n Venezuela and Trinidad | ||
Streptoprocne | zonaris | pallidifrons | Greater and Lesser Antilles | ||
Streptoprocne | zonaris | subtropicalis | Colombia, w Venezuela and Peru | ||
Streptoprocne | zonaris | zonaris | e Bolivia, Paraguay, s Brazil and n Argentina |
Physical charateristics
White-collared Swift is a massive and powerful species, 20-22 cm long, and weighing 90-96 g. It has a very slightly forked tail, which often appears square. The adults are black, glossed blue on the back, and have a white collar, broader and duller on the breast than the hindneck. Young birds are duller than adults, and the collar is reduced or absent.
Listen to the sound of White-collared Swift
[audio:http://www.aviflevoland.nl/sounddb/W/White-collared Swift.mp3]
Copyright remark: Most sounds derived from xeno-canto
wingspan min.: | 48 | cm | wingspan max.: | 53 | cm |
size min.: | 21 | cm | size max.: | 23 | cm |
incubation min.: | 30 | days | incubation max.: | 35 | days |
fledging min.: | 45 | days | fledging max.: | 55 | days |
broods: | 1 | eggs min.: | 1 | ||
eggs max.: | 3 |
Range
Latin America : widespread, also Caribbean
Habitat
It breeds in the mountains and foothills, but forages over a much larger area, including lowlands. Preferred habitats include mountains, coniferous forests, open forests, and grasslands with scattered trees.
Reproduction
Monogamous. Breeds single or in colonies up to 12 pairs. This very large swift builds a saucer nest of mud, moss and chitin on a ledge in a cave, usually behind a waterfall. The nest is lined with fine grass, moss or dry leaves. They lays two white eggs between March and July. Eggs are incubated by both parents for a period of 30-35 days. The young are usually fed once per day and fledge after about 45-55 days.
Feeding habits
White-collared Swift feeds in flight on flying insects, including beetles, bees and flying ants.
Conservation
This species has an extremely large range, and hence does not approach the thresholds for Vulnerable under the range size criterion (Extent of Occurrence <20,000 km2 combined with a declining or fluctuating range size, habitat extent/quality, or population size and a small number of locations or severe fragmentation). The population trend appears to be stable, and hence the species does not approach the thresholds for Vulnerable under the population trend criterion (>30% decline over ten years or three generations). The population size is very large, and hence does not approach the thresholds for Vulnerable under the population size criterion (<10,000 mature individuals with a continuing decline estimated to be >10% in ten years or three generations, or with a specified population structure). For these reasons the species is evaluated as Least Concern.
Migration
Sedentary throughout range, but some populations migrate. Vargants known from USA and lesser Antilles.