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Least auklet

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349: 86: 208: 61: 42: 319:, nesting in rocky crevices in colonies of up to a million birds. These colonies are often mixed, with other species of auklet nesting with, and competing with the least auklets. While this coexistence with other species may bring the benefits of protection from predators, least auklets are vulnerable to being displaced from their nesting sites by the larger 306:
cause these prey items to be tightly clumped together. Like all auks they are pursuit divers, using their wings to provide thrust and "fly" under the water. They are voracious predators, consuming 86% of their body weight each day.
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black downy chick is hatched. Both parents share incubation duties, as well as brooding and feeding duties. Unlike many auks, which are fed fish carried crosswise in the bill, chicks of the least auklet are fed
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caused the species to be wiped out on many of those islands, and rats are also a problem on many islands. However, at present they are still a very common species, and are not considered threatened by the
663: 715: 875: 900: 847: 627: 353: 450:(A. Poole and F. Gill, Eds.). Philadelphia: The Academy of Natural Sciences; Washington, D.C.: The American Ornithologists’ Union. 676: 741: 681: 238:, and one of the most abundant in the world, with a population of around nine million birds. They breed on the islands of 895: 793: 720: 890: 614: 17: 336:
from a sublingual pouch, as are other small auklets. The chicks receive no further parental care after they
885: 525: 348: 562: 567: 422: 798: 541: 516: 85: 707: 785: 772: 668: 549: 478: 694: 767: 259: 180: 759: 554: 8: 399: 255: 50: 642: 466: 575: 365: 197: 80: 754: 588: 323:. A single egg is laid in the crevice and incubated for a month, after which a semi- 838: 593: 460: 417: 373: 251: 880: 728: 619: 580: 137: 811: 320: 316: 869: 689: 501: 408: 235: 70: 65: 780: 733: 702: 650: 510: 333: 303: 295: 852: 806: 632: 369: 287: 282: 361: 324: 299: 271: 247: 207: 97: 655: 472: 832: 606: 495: 291: 117: 536: 329: 274: 243: 227: 746: 337: 298:
species. They hunt for these in stratified waters caused where
239: 157: 107: 41: 601: 278: 391: 378: 127: 231: 147: 340:, and can dive to hunt as soon as they leave the nest. 397: 423:10.2305/IUCN.UK.2020-3.RLTS.T22694921A168850125.en 867: 246:, and spend the winter close to the edge of the 343: 206: 59: 40: 421: 354:Alaska Maritime National Wildlife Refuge 347: 14: 868: 446:). In The Birds of North America, No. 477: 476: 250:. Their largest colonies are on the 234:. It is the most abundant seabird in 270:Least auklets feed predominantly on 876:IUCN Red List least concern species 409:IUCN Red List of Threatened Species 265: 24: 25: 912: 454: 442:Jones, I. L. 1993. Least Auklet ( 901:Taxa named by Peter Simon Pallas 360:Least auklets are vulnerable to 84: 398:BirdLife International (2020). 13: 1: 384: 277:, particularly those of the 230:and the smallest species of 7: 310: 10: 917: 822: 485: 416:: e.T22694921A168850125. 315:Least auklets are highly 205: 186: 179: 81:Scientific classification 79: 57: 48: 39: 34: 896:Birds described in 1811 344:Status and conservation 891:Native birds of Alaska 368:. The introduction of 357: 356:holding a least auklet 768:Paleobiology Database 469:at Audubon Bird Guide 351: 260:Little Diomede Island 886:Birds of the Arctic 461:Least auklet images 256:St. Lawrence Island 51:Conservation status 366:introduced species 358: 863: 862: 755:Open Tree of Life 479:Taxon identifiers 463:at tsuru-bird.net 352:Staffer from the 214: 213: 74: 16:(Redirected from 908: 856: 855: 843: 842: 841: 815: 814: 802: 801: 789: 788: 776: 775: 763: 762: 750: 749: 737: 736: 724: 723: 711: 710: 698: 697: 685: 684: 672: 671: 659: 658: 646: 645: 636: 635: 623: 622: 610: 609: 597: 596: 584: 583: 571: 570: 558: 557: 545: 544: 542:044509DAF1E58241 532: 531: 521: 520: 519: 506: 505: 504: 474: 473: 435: 434: 432: 430: 425: 395: 374:Aleutian Islands 286:. They also eat 266:Diet and feeding 252:Aleutian Islands 210: 192: 89: 88: 68: 63: 62: 44: 32: 31: 21: 916: 915: 911: 910: 909: 907: 906: 905: 866: 865: 864: 859: 851: 846: 837: 836: 831: 818: 810: 805: 797: 792: 784: 779: 771: 766: 758: 753: 745: 740: 732: 729:Observation.org 727: 719: 714: 706: 701: 693: 688: 680: 675: 667: 662: 654: 649: 641: 639: 631: 626: 618: 613: 605: 600: 592: 587: 579: 574: 566: 561: 553: 548: 540: 535: 529: 524: 515: 514: 509: 500: 499: 494: 481: 457: 439: 438: 428: 426: 396: 392: 387: 372:to many of the 346: 321:crested auklets 313: 268: 201: 194: 188: 175: 172:A. pusilla 138:Charadriiformes 83: 75: 64: 60: 53: 28: 27:Species of bird 23: 22: 15: 12: 11: 5: 914: 904: 903: 898: 893: 888: 883: 878: 861: 860: 858: 857: 844: 828: 826: 820: 819: 817: 816: 812:Aethia-pusilla 803: 790: 777: 764: 751: 738: 725: 712: 699: 686: 673: 660: 647: 637: 624: 611: 598: 585: 572: 559: 546: 533: 522: 517:Aethia pusilla 507: 491: 489: 487:Aethia pusilla 483: 482: 471: 470: 464: 456: 455:External links 453: 452: 451: 444:Aethia pusilla 437: 436: 402:Aethia pusilla 389: 388: 386: 383: 345: 342: 312: 309: 267: 264: 223:Aethia pusilla 212: 211: 203: 202: 195: 190:Aethia pusilla 184: 183: 177: 176: 169: 167: 163: 162: 155: 151: 150: 145: 141: 140: 135: 131: 130: 125: 121: 120: 115: 111: 110: 105: 101: 100: 95: 91: 90: 77: 76: 58: 55: 54: 49: 46: 45: 37: 36: 26: 18:Aethia pusilla 9: 6: 4: 3: 2: 913: 902: 899: 897: 894: 892: 889: 887: 884: 882: 879: 877: 874: 873: 871: 854: 849: 845: 840: 834: 830: 829: 827: 825: 821: 813: 808: 804: 800: 795: 791: 787: 782: 778: 774: 769: 765: 761: 756: 752: 748: 743: 739: 735: 730: 726: 722: 717: 713: 709: 704: 700: 696: 691: 687: 683: 678: 674: 670: 665: 661: 657: 652: 648: 644: 638: 634: 629: 625: 621: 616: 612: 608: 603: 599: 595: 590: 586: 582: 577: 573: 569: 564: 560: 556: 551: 547: 543: 538: 534: 527: 523: 518: 512: 508: 503: 497: 493: 492: 490: 488: 484: 480: 475: 468: 465: 462: 459: 458: 449: 445: 441: 440: 424: 419: 415: 411: 410: 405: 403: 394: 390: 382: 380: 375: 371: 367: 363: 355: 350: 341: 339: 335: 331: 326: 322: 318: 308: 305: 301: 297: 293: 289: 285: 284: 280: 276: 273: 263: 261: 257: 253: 249: 245: 241: 237: 236:North America 233: 229: 225: 224: 219: 209: 204: 199: 193: 191: 185: 182: 181:Binomial name 178: 174: 173: 168: 165: 164: 161: 160: 156: 153: 152: 149: 146: 143: 142: 139: 136: 133: 132: 129: 126: 123: 122: 119: 116: 113: 112: 109: 106: 103: 102: 99: 96: 93: 92: 87: 82: 78: 72: 67: 66:Least Concern 56: 52: 47: 43: 38: 35:Least auklet 33: 30: 19: 824:Uria pusilla 823: 643:least-auklet 486: 467:Least auklet 447: 443: 427:. Retrieved 413: 407: 401: 393: 370:Arctic foxes 359: 314: 304:thermoclines 281: 269: 222: 221: 218:least auklet 217: 215: 189: 187: 171: 170: 158: 29: 781:SeaLifeBase 703:NatureServe 651:iNaturalist 511:Wikispecies 429:12 November 334:zooplankton 296:zooplankton 288:euphausiids 870:Categories 839:Q109578523 807:Xeno-canto 385:References 362:oil spills 332:and other 294:and other 283:Neocalanus 325:precocial 300:upwelling 292:pteropods 248:ice sheet 166:Species: 104:Kingdom: 98:Eukaryota 853:11255291 833:Wikidata 708:2.105309 695:22694921 669:10194923 555:22694921 550:BirdLife 496:Wikidata 330:copepods 317:colonial 311:Breeding 275:copepods 272:calanoid 144:Family: 118:Chordata 114:Phylum: 108:Animalia 94:Domain: 71:IUCN 3.1 633:5229270 537:Avibase 502:Q244035 244:Siberia 228:seabird 226:) is a 200:, 1811) 154:Genus: 148:Alcidae 134:Order: 124:Class: 69: ( 881:Aethia 799:344016 773:372771 760:855484 747:344016 682:177020 640:GNAB: 615:EURING 607:leaauk 581:leaauk 530:leaauk 338:fledge 240:Alaska 198:Pallas 159:Aethia 794:WoRMS 786:74296 734:73115 721:28686 664:IRMNG 602:eBird 594:65CP6 568:10153 279:genus 848:GBIF 742:OBIS 716:NCBI 690:IUCN 677:ITIS 656:4544 628:GBIF 620:6510 563:BOLD 431:2021 414:2020 379:IUCN 364:and 302:and 258:and 242:and 216:The 128:Aves 589:CoL 576:BOW 526:ABA 418:doi 232:auk 872:: 850:: 835:: 809:: 796:: 783:: 770:: 757:: 744:: 731:: 718:: 705:: 692:: 679:: 666:: 653:: 630:: 617:: 604:: 591:: 578:: 565:: 552:: 539:: 528:: 513:: 498:: 448:69 412:. 406:. 381:. 290:, 262:. 254:, 433:. 420:: 404:" 400:" 220:( 196:( 73:) 20:)

Index

Aethia pusilla

Conservation status
Least Concern
IUCN 3.1
Scientific classification
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Eukaryota
Animalia
Chordata
Aves
Charadriiformes
Alcidae
Aethia
Binomial name
Pallas

seabird
auk
North America
Alaska
Siberia
ice sheet
Aleutian Islands
St. Lawrence Island
Little Diomede Island
calanoid
copepods
genus
Neocalanus

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