66:
41:
374:
becomes established on the island. The estimated size of the
Aguiguan population is about 400. The single known breeding colony on Oahu was estimated in 1997 to contain a minimum of 17 breeding pairs. Proposed conservation measures include continued population monitoring and limiting cave
271:
The swiftlet is about 11 centimetres (4.3 in) in length with a dark grey-brown head and upperparts. Its throat and upper breast are grey-white with the rest of the underparts darker grey. The tail has a shallow fork and the plumage lacks gloss.
340:
caves, including sites in zones of complete darkness, in colonies of a few to several hundred birds. A single egg constitutes a clutch, but the birds may breed more than once a year. The swiftlets utter twittering and chirping sounds as well as the
345:
clicks used to navigate inside the nesting and roosting caves. Most birds in a colony leave their cave at dawn to forage, returning at sunset to roost. They are aerial feeders that capture small insects in flight over forest and other vegetation.
370:, though it is believed to have subsequently increased to an estimated 900 individuals in 2006. The population on Saipan was estimated in 2005 to consist of about 5400 individuals, though this population is at risk if the
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534:"Relative abundance and distribution of Mariana Swiftlets (Aves: Apodidae) in the Northern Mariana Islands"
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where they damage nests, and the reintroduction of birds to Rota whence they were extirpated in the 1970s.
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65:
505:
649:
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789:
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In its natural range the swiftlet builds shallow nests high on the interior walls and ceilings of
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Cruz, Justine B.; Kremer, Shelly; Martin, Gayle; Williams, Laura & Camacho, Vicente (2008).
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disturbance, the prevention of the establishment of brown tree snakes in the
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607:
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in the early 1960s, though the population there remains small. Its natural
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815:
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732:
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120:
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in 2016. The population on Guam declined because of predation by
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10.2984/1534-6188(2008)62[233:raadom]2.0.co;2
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449:10.2305/IUCN.UK.2023-1.RLTS.T22728583A218321493.en
506:10.2305/IUCN.UK.2016-3.RLTS.T22728583A94990600.en
856:
402:List of birds of the Northern Mariana Islands
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349:
39:
566:
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354:The Mariana swiftlet is considered to be
304:. It was also introduced successfully to
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857:
890:Endangered fauna of the United States
880:Birds of the Northern Mariana Islands
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492:IUCN Red List of Threatened Species
435:IUCN Red List of Threatened Species
13:
14:
901:
520:
865:IUCN Red List vulnerable species
424:BirdLife International. (2023).
64:
481:BirdLife International (2016).
266:
1:
407:
318:tropical moist lowland forest
366:and the use of agricultural
331:
296:, and is locally extinct on
7:
390:
246:
10:
906:
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442:: e.T22728583A218321493.
377:Northern Marianas Islands
358:after being listed as an
280:The swiftlet is found in
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61:Scientific classification
59:
37:
28:
23:
499:: e.T22728583A94990600.
379:, control of introduced
294:Northern Mariana Islands
276:Distribution and habitat
885:Birds described in 1909
350:Status and conservation
397:List of birds of Guam
261:Aerodramus inquietus
842:Aerodramus-bartschi
637:Aerodramus_bartschi
623:Aerodramus bartschi
593:Aerodramus bartschi
485:Aerodramus bartschi
428:Aerodramus bartschi
229:Aerodramus bartschi
209:Collocalia bartschi
183:Aerodramus bartschi
31:Conservation status
232:) is a species of
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824:Open Tree of Life
585:Taxon identifiers
364:brown tree snakes
216:
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54:
24:Mariana swiftlet
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381:mud dauber wasps
372:brown tree snake
310:Hawaiian Islands
251:It was formerly
220:Mariana swiftlet
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165:A. bartschi
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811:Observation.org
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322:mangrove forest
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257:island swiftlet
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16:Species of bird
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553:(2): 233–246.
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875:Birds of Guam
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174:Binomial name
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510:. Retrieved
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343:echolocation
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785:NatureServe
733:iNaturalist
617:Wikispecies
568:10125/22695
512:15 November
385:cockroaches
267:Description
131:Apodiformes
870:Aerodramus
859:Categories
837:Xeno-canto
408:References
368:pesticides
360:Endangered
356:Vulnerable
152:Aerodramus
46:Vulnerable
338:limestone
332:Behaviour
326:grassland
255:with the
159:Species:
121:Strisores
84:Kingdom:
78:Eukaryota
790:2.101607
777:22728583
751:10716920
663:22728583
658:BirdLife
602:Wikidata
391:See also
314:habitats
290:Aguiguan
247:Taxonomy
241:Apodidae
234:swiftlet
200:Synonyms
141:Apodidae
137:Family:
98:Chordata
94:Phylum:
88:Animalia
74:Domain:
51:IUCN 3.1
712:2477241
645:Avibase
308:in the
292:in the
236:in the
193:, 1909)
147:Genus:
127:Order:
104:Class:
49: (
829:534820
816:104940
764:554964
738:144625
699:marswi
673:marswi
608:Q27581
455:16 May
302:Tinian
286:Saipan
253:lumped
238:family
191:Mearns
803:46475
746:IRMNG
694:eBird
686:64Z4N
670:BOW:
115:Clade
798:NCBI
772:IUCN
759:ITIS
725:2033
720:GISD
707:GBIF
514:2021
497:2016
457:2024
440:2023
383:and
324:and
316:are
306:Oahu
300:and
298:Rota
288:and
282:Guam
218:The
108:Aves
681:CoL
632:ADW
563:hdl
555:doi
539:PDF
501:doi
444:doi
263:).
222:or
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551:62
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541:)
537:(
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259:(
226:(
189:(
53:)
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