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Cozumel thrasher

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31: 75: 50: 197: 376:, 26.5–29 centimetres or 10.4–11.4 inches in length), but is smaller, darker in color, has a blacker bill, and the markings are more sharply defined. No other thrasher species coexist on the island, but the Cozumel thrasher may be confused with the migratory 343:
and ear-coverts are a mottled grey brown. The chin and throat are an off-white color with a blackish partial malar stripe. The chest is a buffy-white in color with stark black teardrop shaped spots. The belly is off-white, and the
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thrashers. It has been generally described as shy, but there have been descriptions to the contrary. It was once abundant throughout Cozumel before two hurricanes greatly affected its numbers.
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The habitat preferences for the thrasher is thought to be in low and medium deciduous and semi-deciduous forests. It may have once been most abundant in forest edges adjacent to clearings.
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Martínez-Morales, Miguel Angel; Cuarón, Alfredo D. (July 1999). "Boa constrictor, an introduced predator threatening the endemic fauna on Cozumel Island, Mexico".
1145: 287:), but was considered a separate species when it was determined in a 1998 study that it differed genetically more than five percent from both the long-billed and 1040: 486:
Some scientists believe that other factors must have contributed to the bird's decline, because the Cozumel thrasher likely survived hurricanes for millennia.
483:. Relocation efforts continue; though at least a few birds seem to survive, the continuing existence of this species had not been verified as of January 2008. 426:
The song is described as a rich varied warbling, slightly scratchy with little repetition. Bond described its alarm note being similar to the brown thrasher.
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hit this island on September 14, 1988. Until it was sighted in June 2004, this bird had last been seen in 1995, the same year that
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have not been recorded, but presumably is similar in development to adulthood like the long-billed and brown thrasher.
1001: 913: 420: 74: 1045: 771: 1053: 637: 465: 882: 416: 1058: 855: 788: 900: 817: 801: 450: 918: 494:—which were released on the island in 1971 and are now abundant—may also have had a detrimental effect. 169: 535: 476: 689: 460:
Inquiry from the local population had suggested that the species would likely be encountered near the
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in 2005 caused; it seems that the bird was not found anymore during a survey in December 2006.
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The thrasher is 21.5 to 24 centimetres (8.5 to 9.4 in) in length. The adult has a brown
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The thrasher is predominately terrestrial and elusive and as with all members of the genus
1066: 491: 454: 345: 336: 316: 304: 512: 384:). The wood thrush differs in lacking wing bars, a shorter beak, and a different shape. 586: 412: 353: 340: 332: 328: 324: 288: 276: 256: 186: 1114: 1027: 521: 320: 59: 1097: 753: 196: 941: 928: 975: 849: 377: 840: 1092: 1006: 745: 146: 126: 86: 411:, it may resort to running instead of flying when startled. Ornithologists 372:
The Cozumel thrasher is similar in appearance to the long-billed thrasher (
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The last – unconfirmed – sightings were in April 2006, where an apparent
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is buffy and an underwing that is buffy-white with darker markings. The
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are a warm brown with concealed white tips, preceded with a black bar.
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is grayish-brown, and the legs are brown with a dull tint. Juveniles'
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hit Cozumel on October 11, and it was widely believed to have become
349: 295:). In the same study it was determined to be the basal member of the 245: 96: 954: 811: 660: 690:"El cuitlacoche de cozumel: The endemic thrasher of Cozumel Island" 279:
in 1885. It has been described as a subspecies to its relative the
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are also thought to have impacted the population of the thrasher.
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that becomes more red in its tint on its lower back and rump.
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It is still unclear what damage the impact of Hurricanes
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are grayish-brown with warm rufous-brown outer webs. The
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The Cozumel Thrasher: One Bird Away From Extinction
585: 536:10.2305/IUCN.UK.2020-3.RLTS.T22711105A179828104.en 392:The distribution of the thrasher is restricted to 791:. Version of 2006-DEC-28. Retrieved 2008-FEB-12. 777:. Version of 2008-JAN-28. Retrieved 2008-FEB-12. 684: 682: 680: 678: 434:The numbers of this bird declined rapidly when 396:which is 45 km long and 20 km wide. 8: 636:Zink, Robert M.; Dittmann, Donna L. (1999). 271:The Cozumel thrasher was first described as 1121:IUCN Red List critically endangered species 789:Recently Discovered Species Gain Protection 718: 716: 812: 579: 577: 575: 573: 571: 569: 567: 565: 195: 48: 29: 20: 555: 553: 534: 775:- The endemic thrasher of Cozumel Island 503: 631: 629: 419:had noted its secretive behavior, but 339:are also have a warm brown color. The 1146:Critically endangered biota of Mexico 7: 251:This bird is closely related to the 522:IUCN Red List of Threatened Species 806:Cozumel Thrasher Species Factsheet 619:The Ibis, Volume III, Fifth Series 592:. Yale University Press. pp.  14: 780:Environment News Service (2004): 1136:Endemic birds of Southern Mexico 73: 511:BirdLife International (2020). 1131:Birds of the Yucatán Peninsula 1: 734:Biodiversity and Conservation 588:Wrens, Dippers, and Thrashers 348:have larger black spots. Its 1156:Taxa named by Robert Ridgway 1172: 325:Greater and lesser coverts 773:El cuitlacoche de cozumel 770:Curry, Robert L. (2007): 529:: e.T22711105A179828104. 203: 194: 175: 168: 70:Scientific classification 68: 46: 37: 28: 23: 1141:Endemic fauna of Cozumel 808:. Retrieved 2007-FEB-08. 388:Distribution and habitat 1151:Birds described in 1885 746:10.1023/A:1008815004072 417:Raymond A. Paynter, Jr. 319:, back, shoulders, and 303:thrashers. The bird is 204:Cozumel thrasher range 802:BirdLife International 787:Surfbird News (2006): 692:. Villanova University 584:Brewer, David (2001). 490:, including predatory 273:Harporhynchus guttatus 374:Toxostoma longirostre 285:Toxostoma longirostre 224:from the mockingbird 55:Critically Endangered 710:Surfbird News (2006) 622:. 1885. p. 320. 403:Behavior and ecology 382:Hylocichla mustelina 281:long-billed thrasher 475:was sighted at the 40:Conservation status 1098:Toxostoma-guttatum 883:toxostoma-guttatum 870:Toxostoma_guttatum 856:Toxostoma guttatum 826:Toxostoma guttatum 515:Toxostoma guttatum 488:Introduced species 217:Toxostoma guttatum 179:Toxostoma guttatum 1108: 1107: 1080:Open Tree of Life 818:Taxon identifiers 603:978-0-300-09059-8 477:Cozumel Golf Club 440:Hurricane Roxanne 436:Hurricane Gilbert 242:Yucatán Peninsula 236:to the island of 208: 207: 63: 24:Cozumel thrasher 1163: 1101: 1100: 1088: 1087: 1075: 1074: 1062: 1061: 1049: 1048: 1036: 1035: 1023: 1022: 1010: 1009: 997: 996: 984: 983: 971: 970: 958: 957: 945: 944: 932: 931: 922: 921: 909: 908: 896: 895: 886: 885: 873: 872: 860: 859: 858: 845: 844: 843: 813: 758: 757: 729: 723: 720: 711: 708: 702: 701: 699: 697: 686: 673: 672: 646: 633: 624: 623: 614: 608: 607: 591: 581: 560: 557: 548: 547: 545: 543: 538: 508: 492:boa constrictors 261:Invasive species 212:Cozumel thrasher 199: 181: 161:T. guttatum 78: 77: 57: 52: 51: 33: 21: 1171: 1170: 1166: 1165: 1164: 1162: 1161: 1160: 1111: 1110: 1109: 1104: 1096: 1091: 1083: 1078: 1070: 1067:Observation.org 1065: 1057: 1052: 1044: 1039: 1031: 1026: 1018: 1013: 1005: 1000: 992: 987: 979: 974: 966: 961: 953: 948: 940: 935: 927: 925: 917: 912: 904: 899: 891: 889: 881: 876: 868: 863: 854: 853: 848: 839: 838: 833: 820: 798: 767: 762: 761: 731: 730: 726: 721: 714: 709: 705: 695: 693: 688: 687: 676: 661:10.2307/4089682 644: 635: 634: 627: 616: 615: 611: 604: 583: 582: 563: 558: 551: 541: 539: 510: 509: 505: 500: 432: 405: 390: 370: 368:Similar species 356:is yellow, the 313: 289:brown thrashers 269: 190: 183: 177: 164: 72: 64: 53: 49: 42: 17: 16:Species of bird 12: 11: 5: 1169: 1167: 1159: 1158: 1153: 1148: 1143: 1138: 1133: 1128: 1123: 1113: 1112: 1106: 1105: 1103: 1102: 1089: 1076: 1063: 1050: 1037: 1024: 1011: 998: 985: 972: 959: 946: 933: 923: 910: 897: 887: 874: 861: 846: 830: 828: 822: 821: 816: 810: 809: 797: 796:External links 794: 793: 792: 785: 778: 766: 763: 760: 759: 740:(7): 957–963. 724: 712: 703: 674: 655:(4): 1021–38. 625: 609: 602: 561: 549: 502: 501: 499: 496: 431: 428: 413:Ludlow Griscom 404: 401: 389: 386: 369: 366: 312: 309: 277:Robert Ridgway 268: 265: 206: 205: 201: 200: 192: 191: 184: 173: 172: 166: 165: 158: 156: 152: 151: 144: 140: 139: 134: 130: 129: 124: 120: 119: 114: 110: 109: 104: 100: 99: 94: 90: 89: 84: 80: 79: 66: 65: 47: 44: 43: 38: 35: 34: 26: 25: 15: 13: 10: 9: 6: 4: 3: 2: 1168: 1157: 1154: 1152: 1149: 1147: 1144: 1142: 1139: 1137: 1134: 1132: 1129: 1127: 1124: 1122: 1119: 1118: 1116: 1099: 1094: 1090: 1086: 1081: 1077: 1073: 1068: 1064: 1060: 1055: 1051: 1047: 1042: 1038: 1034: 1029: 1025: 1021: 1016: 1012: 1008: 1003: 999: 995: 990: 986: 982: 977: 973: 969: 964: 960: 956: 951: 947: 943: 938: 934: 930: 924: 920: 915: 911: 907: 902: 898: 894: 888: 884: 879: 875: 871: 866: 862: 857: 851: 847: 842: 836: 832: 831: 829: 827: 823: 819: 814: 807: 803: 800: 799: 795: 790: 786: 783: 779: 776: 774: 769: 768: 764: 755: 751: 747: 743: 739: 735: 728: 725: 719: 717: 713: 707: 704: 691: 685: 683: 681: 679: 675: 670: 666: 662: 658: 654: 650: 643: 641: 632: 630: 626: 621: 620: 613: 610: 605: 599: 595: 590: 589: 580: 578: 576: 574: 572: 570: 568: 566: 562: 556: 554: 550: 537: 532: 528: 524: 523: 518: 516: 507: 504: 497: 495: 493: 489: 484: 482: 478: 474: 469: 467: 463: 458: 456: 452: 447: 445: 441: 437: 429: 427: 424: 422: 418: 414: 410: 402: 400: 397: 395: 387: 385: 383: 379: 375: 367: 365: 363: 359: 355: 351: 347: 342: 338: 334: 330: 326: 322: 318: 310: 308: 306: 302: 298: 294: 290: 286: 282: 278: 274: 266: 264: 262: 258: 254: 249: 247: 243: 239: 235: 231: 227: 223: 219: 218: 213: 202: 198: 193: 188: 182: 180: 174: 171: 170:Binomial name 167: 163: 162: 157: 154: 153: 150: 149: 145: 142: 141: 138: 135: 132: 131: 128: 127:Passeriformes 125: 122: 121: 118: 115: 112: 111: 108: 105: 102: 101: 98: 95: 92: 91: 88: 85: 82: 81: 76: 71: 67: 61: 56: 45: 41: 36: 32: 27: 22: 19: 825: 772: 737: 733: 727: 722:Curry (2008) 706: 694:. Retrieved 652: 648: 639: 618: 612: 587: 540:. Retrieved 526: 520: 514: 506: 485: 480: 472: 470: 466:San Gervasio 459: 448: 433: 425: 408: 406: 398: 394:Isla Cozumel 391: 381: 373: 371: 314: 300: 296: 292: 284: 272: 270: 250: 232:), which is 216: 215: 211: 209: 178: 176: 160: 159: 147: 18: 1054:Neotropical 976:iNaturalist 850:Wikispecies 542:11 November 481:T. guttatum 473:T. guttatum 378:wood thrush 333:secondaries 311:Description 253:long-billed 1115:Categories 1093:Xeno-canto 765:References 559:ENS (2004) 421:James Bond 1126:Toxostoma 640:Toxostoma 498:Footnotes 464:ruins of 423:did not. 409:Toxostoma 337:rectrices 329:Primaries 305:monotypic 301:Toxostoma 299:group of 155:Species: 148:Toxostoma 93:Kingdom: 87:Eukaryota 1033:22711105 1007:45625300 994:11228888 906:22711105 901:BirdLife 890:BioLib: 841:Q1585778 835:Wikidata 754:19655051 293:T. rufum 267:Taxonomy 240:off the 133:Family: 107:Chordata 103:Phylum: 97:Animalia 83:Domain: 60:IUCN 3.1 1059:cozthr1 968:5231709 955:cozthr1 929:cozthr1 696:8 March 669:4089682 649:The Auk 444:extinct 362:plumage 238:Cozumel 234:endemic 230:Mimidae 220:) is a 189:, 1885) 187:Ridgway 143:Genus: 137:Mimidae 123:Order: 113:Class: 58: ( 1085:443496 1020:563506 919:117017 878:ARKive 752:  667:  600:  594:232–33 430:Status 346:flanks 246:Mexico 226:family 1072:76466 1046:99879 989:IRMNG 981:14901 950:eBird 942:57MNV 926:BOW: 893:29817 750:S2CID 665:JSTOR 645:(PDF) 462:Mayan 455:Wilma 451:Emily 341:lores 317:crown 297:rufum 257:brown 1041:NCBI 1028:IUCN 1015:ITIS 963:GBIF 914:BOLD 698:2015 598:ISBN 544:2021 527:2020 453:and 415:and 358:bill 354:iris 350:vent 331:and 321:rump 255:and 222:bird 210:The 117:Aves 1002:ISC 937:CoL 865:ADW 742:doi 657:doi 653:116 531:doi 275:by 1117:: 1095:: 1082:: 1069:: 1056:: 1043:: 1030:: 1017:: 1004:: 991:: 978:: 965:: 952:: 939:: 916:: 903:: 880:: 867:: 852:: 837:: 804:: 748:. 736:. 715:^ 677:^ 663:. 651:. 647:. 642:)" 628:^ 596:. 564:^ 552:^ 525:. 519:. 468:. 446:. 307:. 244:, 756:. 744:: 738:8 700:. 671:. 659:: 606:. 546:. 533:: 517:" 513:" 380:( 291:( 283:( 228:( 214:( 185:( 62:)

Index


Conservation status
Critically Endangered
IUCN 3.1
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Aves
Passeriformes
Mimidae
Toxostoma
Binomial name
Ridgway

bird
family
Mimidae
endemic
Cozumel
Yucatán Peninsula
Mexico
long-billed
brown
Invasive species
Robert Ridgway
long-billed thrasher
brown thrashers
monotypic

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