42:
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310:
males, weighing between 367 and 485 grams while males weigh between 377 and 448 grams. Their characteristically sharp black beak is hooked, matched by sharp, black talons. Their eyes are yellowish, and their face and legs are orange-red. Juveniles resemble adults, but have brownish eyes and three narrow white bands in the tail.
309:
The slender-billed kite is a slaty gray kite with broad, rounded wings and a short, square tail. The species ranges from 36 to 41 centimeters in length and possesses a wingspan of 80–90 centimeters. There is no sexual plumage dimorphism within the species; however, females tend to be larger than the
367:
Slender-billed kites nest in trees from 9–20 meters in areas that flood during wet seasons. They commonly nest from June to
October, and the nesting period lasts between 98 and 112 days. Typically, two eggs are laid, and the incubation period lasts 30 days. Young can stand at two weeks of age and
321:. Adults are distinguished by their yellow, rather than red, eyes and a noticeably shorter tail. Other differences are found in shorter wings and more slender beaks. Nestling slender-billed kites sport a more similar plumage to their adult form than the nestlings of snail kites to theirs.
368:
successfully fly by 40 days. Until 7 weeks of age, the chicks are fed pieces of snail from bill-to-bill by the parent. Males court females by presenting them with snails and feeding them bill-to-bill, leaving and return with more snails until the female accepts the courtship.
358:
and pull the body from the shell. Like the snail kite, slender-billed kites remove the digestive tract from the snail before consuming it, but it is unknown if they similarly remove the albumen. Slender-billed kites tend to hunt for smaller snails than do snail kites.
354:. They perch on low branches to search for prey before diving and snatching the snails in their talons. Upon catching their prey, they will hold the snail in their talon and use their hooked beak to remove the
328:
that begins with a sharp increase in frequency followed by a steady decline. This call is often heard in-flight or in response to predators. Their second call is a repeating
41:
2576:
2684:
2602:
2429:
2703:
620:
2550:
2377:
573:
Ferguson-Lees, J. & Christie, D.A. & Franklin, K. & Mead, D. & Burton, P.. (2001). Raptors of the world. Helm
Identification Guides.
2733:
2589:
2403:
2728:
2677:
2738:
2748:
613:
344:
The characteristic slender bill of the slender-billed kite is an adaptation designed to hunt aquatic snails, mostly of genus
2594:
2408:
350:, in flooded forests and other wetland areas. Though their primary food source is snails, they will hunt for crabs, such as
2670:
1014:
101:
2723:
2607:
2718:
2434:
54:
606:
2743:
2442:
2293:
537:"Vocalizations, Food Habits, and Nesting Biology of the Slender-Billed Kite with Comparisons to the Snail Kite"
234:
2447:
2713:
2328:
2255:
355:
217:
1109:
1099:
409:
1588:
901:
719:
2320:
2302:
598:
194:
50:
1310:
837:
66:
1597:
1300:
854:
1986:
1949:
1925:
1382:
1250:
556:
487:
252:
96:
1342:
1290:
1230:
874:
800:
2528:
1915:
1422:
1362:
1270:
1260:
1240:
1168:
911:
891:
2708:
2615:
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2537:
2421:
2351:
1682:
1352:
1321:
951:
931:
548:
512:
479:
2654:
2620:
1966:
1484:
1178:
686:
671:
471:
404:
2333:
2307:
2650:
2455:
2040:
1047:
1032:
990:
733:
630:
244:
153:
592:
386:
287:. It is found along a scattered range in forested parts of tropical northern and central
586:
1546:
1076:
698:
634:
2486:
2697:
2416:
2225:
2176:
2106:
2088:
1858:
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1574:
1518:
1511:
1491:
1220:
1126:
1119:
1087:
941:
395:
288:
86:
81:
295:. The species was recategorized into and has once again been removed from the genus
2542:
2356:
2218:
2204:
2149:
2126:
2054:
2004:
1993:
1976:
1824:
1724:
1717:
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1468:
1372:
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1137:
958:
756:
284:
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163:
2343:
2513:
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2522:
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2287:
2190:
2020:
1878:
1838:
1817:
1794:
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1689:
1675:
1457:
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1210:
1199:
1067:
810:
788:
770:
2481:
2197:
2142:
2115:
2081:
2047:
2031:
2013:
1939:
1903:
1745:
1738:
1654:
1608:
1560:
1532:
1525:
1412:
1393:
1158:
1056:
921:
777:
749:
665:
314:
297:
173:
2278:
552:
483:
2183:
2065:
1892:
1831:
1803:
1772:
1731:
1645:
1567:
1539:
1502:
1477:
1443:
1188:
975:
881:
827:
763:
742:
113:
17:
516:
2507:
2460:
2272:
2211:
2160:
2135:
2095:
1932:
1869:
1849:
1752:
1661:
1624:
1553:
1402:
864:
844:
820:
653:
317:, and the slender-billed kite has often been included in the same genus,
133:
2555:
2382:
2315:
2169:
1959:
1763:
1710:
1332:
560:
536:
491:
346:
535:
Beissinger, Steven R.; Thomas, Betsy Trent; Strahl, Stuart D. (1988).
2568:
2395:
2074:
1885:
1779:
1450:
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647:
459:
292:
123:
58:
2369:
2249:
475:
431:
506:
2468:
2364:
1668:
659:
1429:
143:
2253:
1030:
684:
602:
332:
with oscillating frequency (sometimes followed by repeating
2658:
1982:
1972:
1955:
1945:
1921:
1911:
1630:
1620:
1585:
1418:
1408:
1378:
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971:
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730:
715:
2497:
2262:
2159:
2125:
2105:
2064:
2030:
2003:
1902:
1868:
1848:
1793:
1762:
1644:
1607:
1584:
1501:
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1392:
1145:
1136:
1086:
1066:
1043:
989:
787:
729:
706:
697:
410:10.2305/IUCN.UK.2020-3.RLTS.T22695051A168789511.en
336:s) heard as they approach their mate in the nest.
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614:
8:
2685:
2671:
2250:
1613:
1142:
1040:
1027:
703:
694:
681:
621:
607:
599:
460:"Notes on Helicolestes hamatus in Surinam"
243:
75:
40:
31:
408:
377:
511:. American Museum of Natural History.
593:Slender-billed Kite (immature) photo.
7:
2639:
2637:
530:
528:
526:
453:
451:
2704:IUCN Red List least concern species
396:IUCN Red List of Threatened Species
2657:. You can help Knowledge (XXG) by
587:Slender-billed Kite (adult) photo.
49:A juvenile slender-billed kite at
25:
2641:
1013:
508:Taxonomic notes on birds of prey
100:
385:BirdLife International (2020).
313:Both genders resemble the male
2734:Birds of the Amazon rainforest
324:Their primary call is a nasal
1:
432:"Slender-billed Kite - eBird"
2765:
2729:Birds of the Guiana Shield
2636:
1616:
1039:
1026:
1011:
693:
680:
642:
458:Haverschmidt, F. (1959).
403:: e.T22695051A168789511.
258:
251:
242:
223:
216:
97:Scientific classification
95:
73:
64:
48:
39:
34:
637:and their extinct allies
2739:Birds described in 1821
505:Dean., Amadon (1964).
279:) is a South American
2749:Accipitriformes stubs
2487:Helicolestes-hamatus
2294:Helicolestes hamatus
2264:Helicolestes hamatus
389:Helicolestes hamatus
276:Helicolestes hamatus
227:Helicolestes hamatus
35:Slender-billed kite
541:The Wilson Bulletin
271:slender-billed kite
67:Conservation status
2724:Birds of Venezuela
2308:Rostrhamus_hamatus
326:kee-ee-aay-aay-aay
291:, and far eastern
261:Rostrhamus hamatus
2719:Birds of Colombia
2666:
2665:
2631:
2630:
2616:Open Tree of Life
2256:Taxon identifiers
2247:
2246:
2243:
2242:
2239:
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2235:
2234:
1789:
1788:
1683:Cryptoleucopteryx
1110:Amphiserpentarius
1022:
1021:
1009:
1008:
985:
984:
267:
266:
198:
90:
51:Careiro da Várzea
16:(Redirected from
2756:
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2360:
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2321:58078CCA004B027C
2311:
2310:
2298:
2297:
2296:
2283:
2282:
2281:
2251:
1984:
1974:
1957:
1947:
1923:
1913:
1632:
1622:
1614:
1589:Archaehieraxinae
1587:
1485:Erythrotriorchis
1420:
1410:
1380:
1370:
1360:
1350:
1340:
1330:
1318:
1308:
1298:
1288:
1278:
1268:
1258:
1248:
1238:
1228:
1218:
1208:
1196:
1186:
1179:Apatosagittarius
1176:
1166:
1156:
1143:
1117:
1107:
1097:
1046:
1041:
1028:
1017:
973:
949:
939:
929:
919:
909:
899:
889:
872:
862:
852:
835:
818:
808:
798:
732:
720:Parasarcoramphus
717:
704:
695:
687:Accipitrimorphae
682:
672:Accipitrimorphae
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609:
600:
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571:
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428:
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382:
352:Poppiana dentata
247:
229:
189:
105:
104:
84:
79:
78:
44:
32:
21:
2764:
2763:
2759:
2758:
2757:
2755:
2754:
2753:
2744:Birds of Brazil
2694:
2693:
2692:
2691:
2651:Accipitriformes
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2632:
2627:
2619:
2614:
2606:
2601:
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2562:
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2456:Observation.org
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1898:
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1844:
1785:
1758:
1640:
1603:
1580:
1497:
1463:
1388:
1132:
1082:
1062:
1048:Horusornithidae
1035:
1033:Accipitriformes
1018:
1005:
991:Accipitriformes
981:
783:
734:Teratornithidae
725:
689:
676:
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627:
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476:10.2307/4081840
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365:
342:
307:
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225:
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209:H. hamatus
188:
154:Accipitriformes
99:
91:
80:
76:
69:
28:
27:Species of bird
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22:
15:
12:
11:
5:
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2760:
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2439:
2426:
2413:
2400:
2387:
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2348:
2338:
2325:
2312:
2299:
2284:
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2240:
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1821:
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1807:
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1601:
1593:
1591:
1582:
1581:
1579:
1578:
1571:
1564:
1557:
1550:
1547:Lophotriorchis
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1536:
1529:
1522:
1515:
1507:
1505:
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1244:
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1224:
1214:
1204:
1192:
1182:
1172:
1162:
1151:
1149:
1147:incertae sedis
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708:incertae sedis
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699:Cathartiformes
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581:External links
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547:(4): 604–616.
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283:in the family
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2714:Kites (birds)
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2653:article is a
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2177:Chondrohierax
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2167:
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2164:
2162:
2158:
2152:
2151:
2147:
2145:
2144:
2140:
2138:
2137:
2133:
2132:
2130:
2128:
2124:
2118:
2117:
2113:
2112:
2110:
2108:
2107:Lophospizinae
2104:
2098:
2097:
2093:
2091:
2090:
2089:Macheiramphus
2086:
2084:
2083:
2079:
2077:
2076:
2072:
2071:
2069:
2067:
2063:
2057:
2056:
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2038:
2037:
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2029:
2023:
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2018:
2016:
2015:
2011:
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2002:
1996:
1995:
1991:
1989:
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1961:
1954:
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1836:
1834:
1833:
1829:
1827:
1826:
1822:
1820:
1819:
1815:
1813:
1812:
1811:Dryotriorchis
1808:
1806:
1805:
1801:
1800:
1798:
1796:
1792:
1782:
1781:
1777:
1775:
1774:
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1610:
1606:
1600:
1599:
1595:
1594:
1592:
1590:
1583:
1577:
1576:
1575:Stephanoaetus
1572:
1570:
1569:
1565:
1563:
1562:
1558:
1556:
1555:
1551:
1549:
1548:
1544:
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1537:
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1523:
1521:
1520:
1516:
1514:
1513:
1509:
1508:
1506:
1504:
1500:
1494:
1493:
1492:Megatriorchis
1489:
1487:
1486:
1482:
1480:
1479:
1475:
1474:
1472:
1470:
1466:
1460:
1459:
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1400:
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1374:
1367:
1365:
1364:
1357:
1355:
1354:
1347:
1345:
1344:
1337:
1335:
1334:
1327:
1324:
1323:
1315:
1313:
1312:
1311:Palaeoplancus
1305:
1303:
1302:
1295:
1293:
1292:
1285:
1283:
1282:
1275:
1273:
1272:
1265:
1263:
1262:
1255:
1253:
1252:
1245:
1243:
1242:
1235:
1233:
1232:
1225:
1223:
1222:
1221:Gigantohierax
1215:
1213:
1212:
1205:
1202:
1201:
1193:
1191:
1190:
1183:
1181:
1180:
1173:
1171:
1170:
1163:
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1160:
1153:
1152:
1150:
1148:
1144:
1141:
1139:
1135:
1129:
1128:
1124:
1122:
1121:
1120:Pelargopappus
1114:
1112:
1111:
1104:
1102:
1101:
1094:
1093:
1091:
1089:
1088:Sagittariidae
1085:
1079:
1078:
1074:
1073:
1071:
1069:
1065:
1059:
1058:
1054:
1053:
1051:
1049:
1042:
1038:
1034:
1029:
1025:
1016:
999:
998:
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988:
978:
977:
970:
968:
967:
963:
961:
960:
956:
954:
953:
946:
944:
943:
942:Pleistovultur
936:
934:
933:
926:
924:
923:
916:
914:
913:
906:
904:
903:
896:
894:
893:
886:
884:
883:
879:
877:
876:
869:
867:
866:
859:
857:
856:
849:
847:
846:
842:
840:
839:
838:Cathartidarum
832:
830:
829:
825:
823:
822:
815:
813:
812:
805:
803:
802:
795:
794:
792:
790:
786:
780:
779:
775:
773:
772:
768:
766:
765:
761:
759:
758:
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751:
747:
745:
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739:
737:
735:
728:
722:
721:
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688:
683:
679:
673:
669:
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649:
645:
644:
641:
636:
632:
624:
619:
617:
612:
610:
605:
604:
601:
594:
591:
589:mountainpath.
588:
585:
584:
580:
570:
567:
562:
558:
554:
550:
546:
542:
538:
531:
529:
527:
523:
518:
514:
510:
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485:
481:
477:
473:
469:
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454:
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437:
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427:
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411:
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402:
398:
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390:
381:
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371:
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348:
339:
337:
335:
331:
327:
322:
320:
316:
311:
304:
302:
301:
299:
294:
290:
289:South America
286:
282:
278:
277:
272:
263:
262:
257:
254:
250:
246:
241:
236:
230:
228:
222:
219:
218:Binomial name
215:
211:
210:
205:
202:
201:
196:
192:
187:
186:
182:
179:
178:
175:
172:
169:
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139:
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132:
129:
128:
125:
122:
119:
118:
115:
112:
109:
108:
103:
98:
94:
88:
83:
82:Least Concern
72:
68:
63:
60:
56:
52:
47:
43:
38:
33:
30:
19:
2659:expanding it
2648:
2633:
2529:Helicolestes
2499:Helicolestes
2498:
2263:
2224:
2219:Lophoictinia
2217:
2210:
2205:Henicopernis
2203:
2196:
2189:
2182:
2175:
2168:
2150:Urotriorchis
2148:
2141:
2134:
2127:Melieraxinae
2114:
2094:
2087:
2080:
2073:
2055:Microspizias
2053:
2046:
2039:
2019:
2012:
2005:Haliaeetinae
1994:Polyboroides
1992:
1985:
1977:Neophrontops
1975:
1965:
1958:
1948:
1938:
1931:
1924:
1914:
1891:
1884:
1877:
1857:
1837:
1830:
1825:Pithecophaga
1823:
1816:
1809:
1802:
1778:
1771:
1751:
1744:
1737:
1730:
1725:Morphnarchus
1723:
1718:Leucopternis
1716:
1709:
1704:Helicolestes
1702:
1695:
1688:
1681:
1674:
1667:
1660:
1653:
1635:Garganoaetus
1633:
1623:
1598:Archaehierax
1596:
1573:
1566:
1559:
1552:
1545:
1538:
1531:
1524:
1517:
1510:
1490:
1483:
1476:
1469:Accipitrinae
1456:
1449:
1442:
1435:
1428:
1421:
1411:
1401:
1381:
1373:Titanohierax
1371:
1361:
1351:
1341:
1331:
1320:
1309:
1301:Palaeocircus
1299:
1289:
1281:Palaeohierax
1279:
1269:
1259:
1249:
1239:
1229:
1219:
1209:
1198:
1187:
1177:
1167:
1157:
1146:
1138:Accipitridae
1125:
1118:
1108:
1098:
1075:
1055:
974:
964:
959:Sarcoramphus
957:
950:
940:
930:
920:
910:
900:
890:
880:
873:
863:
855:Diatropornis
853:
843:
836:
826:
819:
809:
799:
776:
769:
762:
757:Cathartornis
755:
748:
741:
718:
707:
569:
544:
540:
507:
500:
470:(1): 32–36.
467:
463:
439:. Retrieved
435:
426:
414:. Retrieved
400:
394:
388:
380:
366:
351:
345:
343:
333:
329:
325:
323:
318:
312:
308:
296:
285:Accipitridae
281:bird of prey
275:
274:
270:
268:
260:
259:
226:
224:
208:
207:
185:Helicolestes
184:
183:
164:Accipitridae
29:
18:Helicolestes
2564:iNaturalist
2523:Wikispecies
2443:Neotropical
2391:iNaturalist
2288:Wikispecies
2191:Eutriorchis
2021:Icthyophaga
1987:Palaeoborus
1950:Mioneophron
1926:Arikarornis
1879:Chelictinia
1839:Terathopius
1818:Eutriorchis
1795:Circaetinae
1697:Geranospiza
1690:Geranoaetus
1676:Buteogallus
1458:Trigonoceps
1437:Necrosyrtes
1383:Vinchinavis
1251:Mioaegypius
1211:Dynatoaetus
1200:Cruschedula
1127:Sagittarius
1068:Pandionidae
1000:See below ↓
811:Brasilogyps
789:Cathartidae
771:Taubatornis
416:11 November
305:Description
170:Subfamily:
2698:Categories
2482:Xeno-canto
2198:Hamirostra
2143:Micronisus
2116:Lophospiza
2082:Harpyopsis
2048:Kaupifalco
2032:Harpaginae
2014:Haliaeetus
1940:Gypohierax
1904:Gypaetinae
1746:Rostrhamus
1739:Pseudastur
1655:Busarellus
1609:Buteoninae
1561:Polemaetus
1533:Ictinaetus
1526:Hieraaetus
1413:Cryptogyps
1394:Aegypiinae
1343:Proictinia
1291:Palaeastur
1231:Gobihierax
1159:Amplibuteo
1100:Amanuensis
1057:Horusornis
922:Phasmagyps
875:Geronogyps
801:Aizenogyps
778:Teratornis
750:Argentavis
666:Telluraves
629:Genera of
595:altabpe00.
441:2021-03-29
372:References
319:Rostrhamus
315:snail kite
298:Rostrhamus
174:Buteoninae
2514:Q10766410
2184:Elanoides
2066:Harpiinae
1916:Anchigyps
1893:Gampsonyx
1832:Spilornis
1804:Circaetus
1773:Haliastur
1732:Parabuteo
1646:Buteonini
1568:Spizaetus
1540:Lophaetus
1503:Aquilinae
1478:Accipiter
1444:Sarcogyps
1423:Gansugyps
1363:Qiluornis
1271:Necrastur
1261:Miohierax
1241:Milvoides
1189:Aviraptor
1169:Aquilavus
976:Wingegyps
912:Pampagyps
892:Hadrogyps
882:Gymnogyps
828:Cathartes
764:Oscaravis
743:Aiolornis
646:Kingdom:
553:0043-5643
484:0004-8038
436:ebird.org
356:operculum
203:Species:
120:Kingdom:
114:Eukaryota
2709:Milvinae
2508:Wikidata
2469:Species+
2422:22695051
2334:22695051
2329:BirdLife
2273:Wikidata
2212:Leptodon
2161:Perninae
2136:Melierax
2096:Morphnus
2041:Harpagus
1967:Neophron
1933:Gypaetus
1870:Elaninae
1850:Circinae
1753:Rupornis
1662:Butastur
1625:Bermuteo
1554:Nisaetus
1403:Aegypius
1353:Promilio
1322:Palaetus
952:Pliogyps
932:Perugyps
865:Dryornis
845:Coragyps
821:Breagyps
654:Chordata
652:Phylum:
648:Animalia
363:Breeding
253:Synonyms
235:Temminck
160:Family:
134:Chordata
130:Phylum:
124:Animalia
110:Domain:
87:IUCN 3.1
2621:3596275
2608:2869451
2582:1012651
2556:4850151
2448:slbkit1
2383:5788500
2370:slbkit1
2344:slbkit1
2316:Avibase
2279:Q283251
2170:Aviceda
1960:Neogyps
1764:Milvini
1711:Ictinia
1333:Pengana
1077:Pandion
670:Clade:
664:Clade:
658:Class:
635:condors
561:4162647
517:6969592
492:4081840
464:The Auk
347:Pomacea
237:, 1821)
180:Genus:
150:Order:
140:Class:
85: (
2595:823980
2435:500710
2409:824061
2226:Pernis
2075:Harpia
1886:Elanus
1859:Circus
1780:Milvus
1519:Clanga
1512:Aquila
1451:Torgos
966:Vultur
902:Kuntur
631:eagles
559:
551:
515:
490:
482:
330:ker-ah
293:Panama
197:, 1918
195:Penard
193:&
59:Brazil
2649:This
2577:IRMNG
2569:71712
2543:635LL
2461:73141
2396:72911
2365:eBird
2357:3K8BK
2341:BOW:
1669:Buteo
557:JSTOR
488:JSTOR
334:ah-ah
191:Bangs
2655:stub
2603:NCBI
2590:ITIS
2551:GBIF
2474:8126
2430:NCBI
2417:IUCN
2404:ITIS
2378:GBIF
1430:Gyps
660:Aves
549:ISSN
513:OCLC
480:ISSN
418:2021
401:2020
340:Diet
269:The
144:Aves
2538:CoL
2352:CoL
2303:ADW
545:100
472:doi
405:doi
2700::
2618::
2605::
2592::
2579::
2566::
2553::
2540::
2525::
2510::
2484::
2471::
2458::
2445::
2432::
2419::
2406::
2393::
2380::
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2354::
2331::
2318::
2305::
2290::
2275::
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555:.
543:.
539:.
525:^
486:.
478:.
468:76
466:.
462:.
450:^
434:.
399:.
393:.
57:,
53:,
2686:e
2679:t
2672:v
2661:.
1983:†
1973:†
1956:†
1946:†
1922:†
1912:†
1631:†
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1586:†
1419:†
1409:†
1379:†
1369:†
1359:†
1349:†
1339:†
1329:†
1325:"
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1317:†
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716:†
622:e
615:t
608:v
563:.
519:.
494:.
474::
444:.
420:.
407::
391:"
387:"
300:.
273:(
233:(
89:)
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
