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Mariana swiftlet

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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
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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.
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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
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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.
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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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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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in the early 1960s, though the population there remains small. Its natural
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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
423: 480: 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 275: 419: 417: 349: 39: 566: 504: 447: 354:The Mariana swiftlet is considered to be 304:. It was also introduced successfully to 414: 857: 890:Endangered fauna of the United States 880:Birds of the Northern Mariana Islands 583: 582: 527: 525: 523: 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: 591: 442:: e.T22728583A218321493. 377:Northern Marianas Islands 358:after being listed as an 280:The swiftlet is found in 205: 198: 179: 172: 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 852: 851: 824:Open Tree of Life 585:Taxon identifiers 364:brown tree snakes 216: 215: 54: 24:Mariana swiftlet 897: 845: 844: 832: 831: 819: 818: 806: 805: 793: 792: 780: 779: 767: 766: 754: 753: 741: 740: 728: 727: 715: 714: 702: 701: 689: 688: 676: 675: 666: 665: 653: 652: 650:F8E58F0F524E897C 640: 639: 627: 626: 625: 612: 611: 610: 580: 579: 573: 572: 570: 542: 529: 518: 517: 515: 513: 508: 478: 461: 460: 458: 456: 451: 421: 381:mud dauber wasps 372:brown tree snake 310:Hawaiian Islands 251:It was formerly 220:Mariana swiftlet 185: 165:A. bartschi 69: 68: 48: 43: 42: 21: 20: 905: 904: 900: 899: 898: 896: 895: 894: 855: 854: 853: 848: 840: 835: 827: 822: 814: 811:Observation.org 809: 801: 796: 788: 783: 775: 770: 762: 757: 749: 744: 736: 731: 723: 718: 710: 705: 697: 692: 684: 679: 671: 669: 661: 656: 648: 643: 635: 630: 621: 620: 615: 606: 605: 600: 587: 577: 576: 546:Pacific Science 536: 530: 521: 511: 509: 479: 464: 454: 452: 422: 415: 410: 393: 352: 334: 322:mangrove forest 278: 269: 257:island swiftlet 249: 194: 187: 181: 168: 63: 55: 44: 40: 33: 17: 16:Species of bird 12: 11: 5: 903: 893: 892: 887: 882: 877: 872: 867: 850: 849: 847: 846: 833: 820: 807: 794: 781: 768: 755: 742: 729: 716: 703: 690: 677: 667: 654: 641: 628: 613: 597: 595: 589: 588: 575: 574: 553:(2): 233–246. 519: 462: 412: 411: 409: 406: 405: 404: 399: 392: 389: 351: 348: 333: 330: 284:as well as in 277: 274: 268: 265: 248: 245: 214: 213: 212: 211: 203: 202: 196: 195: 188: 177: 176: 170: 169: 162: 160: 156: 155: 148: 144: 143: 138: 134: 133: 128: 124: 123: 118: 111: 110: 105: 101: 100: 95: 91: 90: 85: 81: 80: 75: 71: 70: 57: 56: 38: 35: 34: 29: 26: 25: 15: 9: 6: 4: 3: 2: 902: 891: 888: 886: 883: 881: 878: 876: 875:Birds of Guam 873: 871: 868: 866: 863: 862: 860: 843: 838: 834: 830: 825: 821: 817: 812: 808: 804: 799: 795: 791: 786: 782: 778: 773: 769: 765: 760: 756: 752: 747: 743: 739: 734: 730: 726: 721: 717: 713: 708: 704: 700: 695: 691: 687: 682: 678: 674: 668: 664: 659: 655: 651: 646: 642: 638: 633: 629: 624: 618: 614: 609: 603: 599: 598: 596: 594: 590: 586: 581: 569: 564: 560: 556: 552: 548: 547: 540: 535: 528: 526: 524: 507: 502: 498: 494: 493: 488: 486: 477: 475: 473: 471: 469: 467: 450: 445: 441: 437: 436: 431: 429: 420: 418: 413: 403: 400: 398: 395: 394: 388: 386: 382: 378: 373: 369: 365: 361: 357: 347: 344: 339: 329: 327: 323: 319: 315: 311: 307: 303: 299: 295: 291: 287: 283: 273: 264: 262: 258: 254: 244: 242: 239: 235: 231: 230: 225: 224:Guam swiftlet 221: 210: 207: 206: 204: 201: 197: 192: 186: 184: 178: 175: 174:Binomial name 171: 167: 166: 161: 158: 157: 154: 153: 149: 146: 145: 142: 139: 136: 135: 132: 129: 126: 125: 122: 119: 116: 113: 112: 109: 106: 103: 102: 99: 96: 93: 92: 89: 86: 83: 82: 79: 76: 73: 72: 67: 62: 58: 52: 47: 36: 32: 27: 22: 19: 592: 550: 544: 510:. 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Retrieved 439: 433: 427: 353: 343:echolocation 335: 279: 270: 260: 250: 228: 227: 223: 219: 217: 208: 182: 180: 164: 163: 151: 114: 18: 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 861:: 839:: 826:: 813:: 800:: 787:: 774:: 761:: 748:: 735:: 722:: 709:: 696:: 683:: 660:: 647:: 634:: 619:: 604:: 561:. 551:62 549:. 543:. 522:^ 495:. 489:. 465:^ 438:. 432:. 416:^ 328:. 320:, 243:. 117:: 571:. 565:: 557:: 541:) 537:( 516:. 503:: 487:" 483:" 459:. 446:: 430:" 426:" 259:( 226:( 189:( 53:)

Index

Conservation status
Vulnerable
IUCN 3.1
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Aves
Strisores
Apodiformes
Apodidae
Aerodramus
Binomial name
Mearns
Synonyms
swiftlet
family
Apodidae
lumped
island swiftlet
Guam
Saipan
Aguiguan
Northern Mariana Islands
Rota
Tinian
Oahu
Hawaiian Islands
habitats

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