313:
45:
273:
31:
94:
215:
69:
281:
a white trailing edge. The wing coverts and primaries are black and the secondaries dark grey with white tips. The eye is black, the bill yellow with a distinctive red and black tip, and the legs and feet yellow. Outside the breeding season the head is dark brown with a white ring surrounding the eye. The juvenile is mottled brown and white and attains the adult plumage during its third year.
260:. Belcher's gull is a medium-sized gull with a blackish mantle, white head and underparts, a black band on the otherwise white tail, and a yellow bill with a red and black tip. Non-breeding adults have a brownish-black head and a white eye-ring. The name of this bird commemorates the British explorer Sir
280:
Belcher's gull grows to a length of about 49 centimetres (19 in). The sexes are similar in appearance and in the breeding season, the adult has a white head and very pale grey neck and underparts. The mantle and back are greyish-black and the tail is white with a broad black subterminal band and
346:
Belcher's gull is estimated to have a total population of under ten thousand individuals and an estimated distribution range of 280,000 square kilometres (110,000 sq mi). Persecution of this bird by humans has diminished and its population is thought to be increasing. For these reasons,
304:
and its habitat includes rocky shores, bays and offshore islands. It ventures several kilometres offshore to forage and also feeds on rocky shores when the tide is out. It is a non-migratory species.
312:
1216:
335:
Breeding takes place from
December onwards in small colonies of up to one hundred pairs. The nest is a scrape in the sand or among rocks near the high tide line.
348:
1399:
1255:
1374:
1190:
300:
Belcher's gull is found on the
Pacific coast of South America. Its range extends from northern Peru to northern Chile in the area influenced by the
1229:
44:
1281:
272:
1404:
1333:
328:. It feeds on fish, crabs, molluscs and carrion, and seasonally on the eggs and nestlings of seabirds. It often associates with
1177:
559:
292:), but that species has a small white tip on its otherwise black wing and lacks the black tail band found on Belcher's gull.
1234:
423:
1104:
338:
There are usually three eggs averaging 65 by 45 mm (2.6 by 1.8 in), pale blotched with dark olive markings.
1325:
1260:
1389:
1268:
734:
512:
93:
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771:
657:
204:
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1128:
1057:
1040:
963:
704:
699:
188:
396:
1338:
1120:
968:
667:
1095:
1022:
902:
897:
552:
58:
1312:
781:
709:
677:
88:
907:
862:
816:
632:
487:
1221:
1294:
1247:
1151:
892:
887:
882:
867:
776:
739:
729:
642:
627:
1299:
1004:
872:
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647:
572:
391:
329:
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30:
1320:
1133:
851:
837:
761:
652:
145:
622:
373:
249:
1379:
943:
545:
261:
1368:
1242:
811:
724:
682:
382:
352:
256:, but that bird occurs on the Atlantic coast of South America and is now accepted as
245:
78:
73:
1156:
856:
806:
714:
687:
672:
612:
1182:
214:
1143:
1351:
1307:
1203:
1089:
925:
877:
846:
797:
786:
752:
637:
431:
1346:
986:
766:
253:
1080:
954:
826:
821:
719:
662:
325:
285:
105:
332:, pestering them until they regurgitate their prey which it then consumes.
537:
1074:
1035:
321:
125:
1195:
1115:
590:
241:
237:
155:
115:
1208:
1051:
455:
1169:
1164:
603:
581:
311:
271:
165:
264:
who performed survey work on the
Pacific coast of South America.
1286:
568:
135:
1055:
541:
347:
despite its small total population size and limited range, the
284:
Belcher's gull can be confused with the slightly larger
720:
Vega gull (or East
Siberian gull / Mongolian gull)
1064:
1013:
995:
977:
952:
934:
916:
835:
795:
750:
601:
580:
397:10.2305/IUCN.UK.2018-2.RLTS.T22694282A132538076.en
594:(† indicates a species confirmed to be extinct)
349:International Union for Conservation of Nature
553:
8:
276:The band on the tail is a diagnostic feature
1052:
772:Great black-headed gull (or Pallas's gull)
560:
546:
538:
213:
67:
43:
29:
20:
395:
248:. It formerly included the very similar
450:
448:
364:
873:Grey-headed gull (or grey-hooded gull)
418:
416:
414:
482:
480:
478:
476:
7:
1400:Western South American coastal birds
1375:IUCN Red List least concern species
383:IUCN Red List of Threatened Species
14:
92:
372:BirdLife International (2018).
1:
316:Foraging on the beach in Peru
430:(in Spanish). Archived from
1421:
236:, is a bird in the family
1031:
390:: e.T22694282A132538076.
212:
194:
187:
89:Scientific classification
87:
65:
56:
51:
42:
37:
28:
23:
735:Lesser black-backed gull
663:Kelp gull (or Cape gull)
521:Neotropical Birds Online
494:. BirdLife International
296:Distribution and habitat
1405:Birds described in 1829
658:Great black-backed gull
351:considers it to be of "
1041:Hybridisation in gulls
964:Black-legged kittiwake
317:
277:
705:American herring gull
700:European herring gull
320:Belcher's gull is an
315:
275:
232:), also known as the
969:Red-legged kittiwake
668:Glaucous-winged gull
488:"Species factsheet:
1023:Swallow-tailed gull
898:Slender-billed gull
59:Conservation status
52:Non-breeding adult
24:Belcher's gull
782:Mediterranean gull
710:Yellow-legged gull
678:Yellow-footed gull
318:
278:
1362:
1361:
1295:Open Tree of Life
1058:Taxon identifiers
1049:
1048:
1036:Gull eggs as food
893:Black-headed gull
888:Brown-headed gull
883:Black-billed gull
868:Brown-hooded gull
730:Slaty-backed gull
643:Short-billed gull
628:Black-tailed gull
456:"Gaviota Peruana"
424:"Gaviota Peruana"
330:Guanay cormorants
290:Larus dominicanus
221:
220:
82:
1412:
1390:Birds of Ecuador
1355:
1354:
1342:
1341:
1329:
1328:
1316:
1315:
1303:
1302:
1290:
1289:
1277:
1276:
1264:
1263:
1251:
1250:
1238:
1237:
1225:
1224:
1212:
1211:
1199:
1198:
1186:
1185:
1173:
1172:
1160:
1159:
1147:
1146:
1137:
1136:
1124:
1123:
1121:2864A5B05DE1A330
1111:
1110:
1100:
1099:
1098:
1085:
1084:
1083:
1053:
903:Bonaparte's gull
648:Ring-billed gull
562:
555:
548:
539:
532:
531:
529:
528:
509:
503:
502:
500:
499:
484:
471:
470:
468:
467:
452:
443:
442:
440:
439:
428:Las Aves de Lima
420:
409:
408:
406:
404:
399:
369:
302:Humboldt Current
258:Larus atlanticus
240:found along the
234:band-tailed gull
217:
200:
180:L. belcheri
97:
96:
76:
71:
70:
47:
33:
21:
1420:
1419:
1415:
1414:
1413:
1411:
1410:
1409:
1365:
1364:
1363:
1358:
1350:
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1337:
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1306:
1298:
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1267:
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1233:
1228:
1220:
1215:
1207:
1202:
1194:
1189:
1181:
1176:
1168:
1163:
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1142:
1140:
1132:
1127:
1119:
1114:
1108:
1103:
1094:
1093:
1088:
1079:
1078:
1073:
1060:
1050:
1045:
1027:
1009:
991:
973:
948:
930:
912:
908:Saunders's gull
863:Hartlaub's gull
852:Red-billed gull
838:Chroicocephalus
831:
817:Franklin's gull
791:
762:White-eyed gull
746:
653:California gull
633:Heermann's gull
597:
576:
566:
536:
535:
526:
524:
511:
510:
506:
497:
495:
486:
485:
474:
465:
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454:
453:
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422:
421:
412:
402:
400:
371:
370:
366:
361:
344:
310:
298:
270:
208:
202:
196:
183:
146:Charadriiformes
91:
83:
72:
68:
61:
38:Breeding adult
17:
16:Species of bird
12:
11:
5:
1418:
1416:
1408:
1407:
1402:
1397:
1392:
1387:
1385:Birds of Chile
1382:
1377:
1367:
1366:
1360:
1359:
1357:
1356:
1352:Larus-belcheri
1343:
1330:
1317:
1304:
1291:
1278:
1265:
1252:
1239:
1226:
1213:
1200:
1187:
1174:
1161:
1148:
1138:
1125:
1112:
1101:
1096:Larus belcheri
1086:
1070:
1068:
1066:Larus belcheri
1062:
1061:
1056:
1047:
1046:
1044:
1043:
1038:
1032:
1029:
1028:
1026:
1025:
1019:
1017:
1011:
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1007:
1001:
999:
993:
992:
990:
989:
983:
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975:
974:
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971:
966:
960:
958:
950:
949:
947:
946:
940:
938:
932:
931:
929:
928:
922:
920:
914:
913:
911:
910:
905:
900:
895:
890:
885:
880:
875:
870:
865:
860:
854:
849:
843:
841:
833:
832:
830:
829:
824:
819:
814:
809:
803:
801:
793:
792:
790:
789:
784:
779:
777:Audouin's gull
774:
769:
764:
758:
756:
748:
747:
745:
744:
743:
742:
740:Heuglin's gull
732:
727:
722:
717:
712:
707:
702:
697:
696:
695:
685:
680:
675:
670:
665:
660:
655:
650:
645:
640:
635:
630:
625:
620:
618:Belcher's gull
615:
609:
607:
599:
598:
596:
595:
586:
584:
578:
577:
567:
565:
564:
557:
550:
542:
534:
533:
515:Larus belcheri
504:
490:Larus belcheri
472:
444:
410:
376:Larus belcheri
363:
362:
360:
357:
343:
340:
309:
306:
297:
294:
269:
266:
262:Edward Belcher
229:Larus belcheri
224:Belcher's gull
219:
218:
210:
209:
203:
198:Larus belcheri
192:
191:
185:
184:
177:
175:
171:
170:
163:
159:
158:
153:
149:
148:
143:
139:
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133:
129:
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119:
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98:
85:
84:
66:
63:
62:
57:
54:
53:
49:
48:
40:
39:
35:
34:
26:
25:
15:
13:
10:
9:
6:
4:
3:
2:
1417:
1406:
1403:
1401:
1398:
1396:
1395:Birds of Peru
1393:
1391:
1388:
1386:
1383:
1381:
1378:
1376:
1373:
1372:
1370:
1353:
1348:
1344:
1340:
1335:
1331:
1327:
1322:
1318:
1314:
1309:
1305:
1301:
1296:
1292:
1288:
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1279:
1275:
1270:
1266:
1262:
1257:
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1249:
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1227:
1223:
1218:
1214:
1210:
1205:
1201:
1197:
1192:
1188:
1184:
1179:
1175:
1171:
1166:
1162:
1158:
1153:
1149:
1145:
1139:
1135:
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1126:
1122:
1117:
1113:
1106:
1102:
1097:
1091:
1087:
1082:
1076:
1072:
1071:
1069:
1067:
1063:
1059:
1054:
1042:
1039:
1037:
1034:
1033:
1030:
1024:
1021:
1020:
1018:
1016:
1012:
1006:
1005:Sabine's gull
1003:
1002:
1000:
998:
994:
988:
985:
984:
982:
980:
976:
970:
967:
965:
962:
961:
959:
957:
956:
951:
945:
942:
941:
939:
937:
933:
927:
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923:
921:
919:
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904:
901:
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896:
894:
891:
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884:
881:
879:
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874:
871:
869:
866:
864:
861:
858:
855:
853:
850:
848:
845:
844:
842:
840:
839:
834:
828:
825:
823:
820:
818:
815:
813:
812:Laughing gull
810:
808:
805:
804:
802:
800:
799:
794:
788:
785:
783:
780:
778:
775:
773:
770:
768:
765:
763:
760:
759:
757:
755:
754:
749:
741:
738:
737:
736:
733:
731:
728:
726:
725:Armenian gull
723:
721:
718:
716:
713:
711:
708:
706:
703:
701:
698:
694:
693:Thayer's gull
691:
690:
689:
686:
684:
683:Glaucous gull
681:
679:
676:
674:
671:
669:
666:
664:
661:
659:
656:
654:
651:
649:
646:
644:
641:
639:
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634:
631:
629:
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624:
621:
619:
616:
614:
611:
610:
608:
606:
605:
600:
593:
592:
588:
587:
585:
583:
579:
574:
570:
563:
558:
556:
551:
549:
544:
543:
540:
522:
518:
516:
508:
505:
493:
491:
483:
481:
479:
477:
473:
461:
460:Aves de Chile
457:
451:
449:
445:
434:on 2015-01-15
433:
429:
425:
419:
417:
415:
411:
398:
393:
389:
385:
384:
379:
377:
368:
365:
358:
356:
354:
353:least concern
350:
341:
339:
336:
333:
331:
327:
323:
314:
307:
305:
303:
295:
293:
291:
287:
282:
274:
267:
265:
263:
259:
255:
251:
247:
246:South America
243:
239:
235:
231:
230:
225:
216:
211:
206:
201:
199:
193:
190:
189:Binomial name
186:
182:
181:
176:
173:
172:
169:
168:
164:
161:
160:
157:
154:
151:
150:
147:
144:
141:
140:
137:
134:
131:
130:
127:
124:
121:
120:
117:
114:
111:
110:
107:
104:
101:
100:
95:
90:
86:
80:
75:
74:Least Concern
64:
60:
55:
50:
46:
41:
36:
32:
27:
22:
19:
1065:
1014:
996:
978:
953:
936:Rhodostethia
935:
918:Hydrocoloeus
917:
857:Huahine gull
836:
807:Dolphin gull
796:
751:
715:Caspian gull
688:Iceland gull
673:Western gull
623:Olrog's gull
617:
613:Pacific gull
602:
589:
525:. Retrieved
520:
514:
507:
496:. Retrieved
489:
464:. Retrieved
462:(in Spanish)
459:
436:. Retrieved
432:the original
427:
401:. Retrieved
387:
381:
375:
367:
345:
337:
334:
319:
299:
289:
283:
279:
257:
250:Olrog's gull
233:
228:
227:
223:
222:
197:
195:
179:
178:
166:
18:
1308:SeaLifeBase
1269:Neotropical
1204:iNaturalist
1090:Wikispecies
944:Ross's gull
926:Little gull
878:Andean gull
847:Silver gull
798:Leucophaeus
787:Relict gull
753:Ichthyaetus
638:Common gull
403:11 November
268:Description
1369:Categories
1347:Xeno-canto
987:Ivory gull
767:Sooty gull
575:: Laridae)
527:2014-07-23
498:2014-07-23
466:2014-07-22
438:2014-07-22
359:References
254:subspecies
979:Pagophila
827:Grey gull
822:Lava gull
326:scavenger
286:kelp gull
244:coast of
174:Species:
112:Kingdom:
106:Eukaryota
1248:22694282
1222:10188785
1134:22694282
1129:BirdLife
1075:Wikidata
1015:Creagrus
322:omnivore
152:Family:
126:Chordata
122:Phylum:
116:Animalia
102:Domain:
79:IUCN 3.1
1196:2481179
1116:Avibase
1081:Q478233
591:Species
308:Ecology
242:Pacific
238:Laridae
162:Genus:
156:Laridae
142:Order:
132:Class:
77: (
1339:225990
1300:704174
1287:225990
1274:belgul
1261:328041
1235:176843
1178:EURING
1170:belgul
1144:belgul
1109:belgul
573:family
523:. 2010
342:Status
207:, 1829
205:Vigors
1380:Larus
1334:WoRMS
1313:75075
1217:IRMNG
1183:26300
1165:eBird
1157:3SBPT
1141:BOW:
955:Rissa
604:Larus
582:Genus
569:Gulls
252:as a
167:Larus
1326:9037
1282:OBIS
1256:NCBI
1243:IUCN
1230:ITIS
1209:4371
1191:GBIF
997:Xema
405:2021
388:2018
324:and
136:Aves
1321:TSA
1152:CoL
1105:ABA
392:doi
355:".
1371::
1349::
1336::
1323::
1310::
1297::
1284::
1271::
1258::
1245::
1232::
1219::
1206::
1193::
1180::
1167::
1154::
1131::
1118::
1107::
1092::
1077::
519:.
475:^
458:.
447:^
426:.
413:^
386:.
380:.
859:†
571:(
561:e
554:t
547:v
530:.
517:"
513:"
501:.
492:"
469:.
441:.
407:.
394::
378:"
374:"
288:(
226:(
81:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
