Lesser Antillean swift

Lesser Antillean swift
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Clade: Strisores
Order: Apodiformes
Family: Apodidae
Genus: Chaetura
Species:
C. martinica
Binomial name
Chaetura martinica
(Hermann, 1783)
Synonyms

Acanthylis martinica[2]

The Lesser Antillean swift (Chaetura martinica) is a species a species of bird in subfamily Apodinae of the swift family Apodidae.[3][4] It is found on Dominica, Guadeloupe, Martinique, Saint Lucia, Saint Vincent, and possibly Nevis.[5]

Taxonomy and systematics

The Lesser Antillean swift, pale-rumped swift (C. egregia), grey-rumped swift (C. cinereiventris), and band-rumped swift (C. spinicaudus) were at one time placed in genus Acanthylis.[2] The Lesser Antillean swift is monotypic.[3]

Description

The Lesser Antillean swift is 10.5 to 11 cm (4.1 to 4.3 in) long and weighs an average of 12.7 g (0.45 oz). It has a protruding head, a short square tail, and wings that bulge in the middle and somewhat hook at the end. The sexes are alike. Adults have black-brown upperparts with a narrow gray band on the rump. Their underparts are brown with a paler throat. Juveniles have white tips on some wing feathers.[2]

Distribution and habitat

The Lesser Antillean swift is found on the islands of Guadeloupe in the southern Leeward Islands and Dominica, Martinique, Saint Lucia, and Saint Vincent in the Windward Islands. There is also an undocumented sight record further north on Nevis. It principally inhabits tropical lowland evergreen forest but is also found over secondary forest and open areas including drier ones.[2]

Behavior

Movement

The Lesser Antillean swift is a year-round resident throughout its range.[2]

Feeding

Like all swifts, the Lesser Antillean is an aerial insectivore. It usually forages in flocks of 20 to 40; the flocks often include swallows. No details of its diet are known.[2]

Breeding

The Lesser Antillean swift's breeding season appears to be in late spring and early summer. It makes a half-cup nest attached to a vertical surface. The clutch size is three eggs. Nothing else is known about the species' breeding biology.[2]

Dickcissel male perched on a metal pole singing, with neck stretched and beak open.

Songs and calls
Listen to Lesser Antillean swift on xeno-canto

Vocalization

The Lesser Antillean swift's principal call is "a high-pitched twittering trill 'prrrrrrrr' or 'prrrrrrr-titi' given at intervals."[2]

Status

The IUCN has assessed the Lesser Antillean swift as being of Least Concern. It has a limited range and its population size is unknown but believed to be stable. No immediate threats have been identified.[1] It is considered uncommon on Guadeloupe and fairly common on the other islands.[2]

References

  1. ^ a b BirdLife International (2016). "Lesser Antillean Swift Chaetura martinica". IUCN Red List of Threatened Species. 2016: e.T22686698A93122735. doi:10.2305/IUCN.UK.2016-3.RLTS.T22686698A93122735.en. Retrieved 6 October 2022.
  2. ^ a b c d e f g h i Chantler, P. and P. F. D. Boesman (2020). Lesser Antillean Swift (Chaetura martinica), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.leaswi1.01 retrieved October 6, 2022
  3. ^ a b Gill, F.; Donsker, D.; Rasmussen, P., eds. (August 2022). "Owlet-nightjars, treeswifts, swifts". IOC World Bird List. v 12.2. Retrieved August 9, 2022.
  4. ^ HBW and BirdLife International (2021) Handbook of the Birds of the World and BirdLife International digital checklist of the birds of the world. Version 6. Available at: http://datazone.birdlife.org/userfiles/file/Species/Taxonomy/HBW-BirdLife_Checklist_v6_Dec21.zip retrieved August 7, 2022
  5. ^ "Check-list of North and Middle American Birds". American Ornithological Society. August 2022. Retrieved August 9, 2022.