566:
33:
85:
60:
510:. In Central America it ranges in elevation mostly between 300 and 1,700 m (1,000 and 5,600 ft) but reaches 2,500 m (8,200 ft) in southern Costa Rica. In Colombia it ranges from 250 to 2,700 m (800 to 8,900 ft). In Ecuador it mostly occurs between 600 and 2,100 m (2,000 and 6,900 ft) but locally is found as low as 300 m (1,000 ft).
865:
352:
The brown-billed scythebill is 20 to 25 cm (7.9 to 9.8 in) long and weighs 32 to 48 g (1.1 to 1.7 oz). It is a slim, medium-sized woodcreeper with a very long, slim, dramatically decurved bill. The sexes have the same plumage. Adults of the nominate subspecies have a face and neck
607:
has assessed the brown-billed scythebill as being of Least
Concern. It has a large range and an estimated population of at least 500,000 mature individuals that however is believed to be decreasing. No immediate threats have been identified. It is considered rare to uncommon and local in most of its
594:
The brown-billed scythebill sings mostly at dawn and dusk. Its song is complex and highly variable, a "series of notes lasting 2·5–5 seconds, beginning with a soft, twittering trill that continues in background during a series of loud whistles that are usually descending (sometimes ascending) and
852:
Chesser, R. T., S. M. Billerman, K. J. Burns, C. Cicero, J. L. Dunn, B. E. Hernández-Baños, R. A. Jiménez, A. W. Kratter, N. A. Mason, P. C. Rasmussen, J. V. Remsen, Jr., D. F. Stotz, and K. Winker. 2022. Check-list of North
American Birds (online). American Ornithological Society.
374:. Their iris is dark brown to cinnamon-brown, their bill blackish brown to brownish horn, and their legs and feet olive-green to blackish brown. Juveniles are darker and more olivaceous than adults, with wider deeper buff but less distinct streaks, and a shorter and darker bill.
712:
Remsen, J. V., Jr., J. I. Areta, E. Bonaccorso, S. Claramunt, G. Del-Rio, A. Jaramillo, D. F. Lane, M. B. Robbins, F. G. Stiles, and K. J. Zimmer. Version 31 May 2023. A classification of the bird species of South
America. American Ornithological Society.
608:
range, and rare in lowlands. It is "elieved to be highly sensitive to human disturbance, requiring extensive tracts of unbroken forest locally at risk in ChocĂł of SW Colombia, where it is limited by lack of habitat."
369:
on the lower belly and undertail coverts. Their lower neck, breast, and upper belly have thin deep buff streaks; their undertail coverts have lighter buff streaks. Their underwing coverts are cinnamon-buff to
555:
The brown-billed scythebill apparently forms long-term pair bonds. Its breeding season is not well defined but appears to include May to July. Nothing else is known about the species' breeding biology.
539:. It hitches up and along trunks and vines, mostly from the understory to the subcanopy. It typically takes its prey from the surface of the substrate, and also by probing crevices and holes in bark,
384:, darker overall than nominate, more blackish crown, more olive underparts, narrower but more extensive and deeper buff streaks above and below, wings and tail deeper chestnut, and darker
749:), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA.
1028:
1067:
523:
The brown-billed scythebill is believed to be a year-round resident throughout its range, though some elevational movements are suspected in
Central America.
1134:
365:
have grayish brown edges and dusky tips. Their throat is deep buff with dusky streaks. Their underparts are dark brown to olive-brown that becomes more
1002:
1041:
1159:
1169:
1154:
837:
807:
777:
32:
1164:
484:
357:. Their crown and nape are dark brown, with thin deep buff streaks that extend sparsely onto the upper back. Their back and wing
458:
1046:
84:
488:
1144:
271:
918:
953:
536:
492:
1072:
869:
679:
595:
somewhat quavering, e.g. 'wheéwhipwhipwhipaweé, at-t-t-t-t-weeaweéaweé' or 'twe-weo-WEO-weo weo-we-we-we-we-we' ".
454:
1149:
1139:
1080:
430:
1085:
361:
are deep reddish brown, their rump is cinnamon-rufous, and their wings and tail are rufous-chestnut. Their
940:
880:
409:, smaller than nominate, more brownish, ochraceous streaking only on crown, nape, breast, and upper belly
958:
297:
293:
179:
652:
932:
426:
338:
49:
491:
Andes south through both slopes of
Ecuador's Andes and into Peru's Andes on the east slope to the
377:
The other subspecies of the brown-billed scythebill differ from the nominate and each other thus:
79:
444:
1033:
1093:
1059:
976:
833:
803:
773:
440:
362:
329:
has sometimes been treated as a separate species. Some authors have suggested that subspecies
146:
1098:
683:
647:
507:
499:
475:
418:
The subspecies of the brown-billed scythebill have discontinuous ranges and are found thus:
225:
221:
945:
745:
Marantz, C. A., A. Aleixo, L. R. Bevier, and M. A. Patten (2020). Brown-billed
Scythebill (
1111:
579:
156:
629:
358:
317:
282:
196:
714:
1128:
1054:
638:
69:
64:
687:
981:
565:
535:. It usually forages singly and occasionally in pairs, and very often as part of a
968:
854:
1015:
912:
503:
354:
228:
903:
425:, Caribbean slope and part of Pacific slope of Costa Rica; western Panama into
1106:
506:, where it is found in the interior and edges. It less often occurs in mature
466:
371:
236:
540:
532:
366:
252:
136:
96:
864:
502:, mostly in highlands but locally in lowlands. It favors middle-elevation
897:
750:
544:
232:
116:
802:. Ithaca: Zona Tropical/Comstock/Cornell University Press. p. 174.
1007:
927:
385:
240:
1020:
244:
106:
994:
874:
772:. Vol. II. Ithaca: Cornell University Press. pp. 389–390.
989:
462:
604:
248:
217:
126:
878:
828:
McMullan, Miles; Donegan, Thomas M.; Quevedo, Alonso (2010).
397:
with black crown, deeper brown back and more olive underparts
263:
The brown-biled scythebill has these five subspecies:
353:
streaked buff and blackish brown, with a faint buffy
403:, more olive than nominate, especially on underparts
887:
715:
https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm
433:
provinces; one record in extreme southern
Nicaragua
653:10.2305/IUCN.UK.2020-3.RLTS.T22703191A138225438.en
768:Ridgely, Robert S.; Greenfield, Paul J. (2001).
559:
580:Listen to brown-billed scythebill on xeno-canto
855:https://checklist.americanornithology.org/taxa
531:The brown-billed scythebill's diet is mostly
8:
337:are not valid and should be merged into the
793:
791:
789:
498:The brown-billed scythebill inhabits humid
474:, coastal areas in southwestern Colombia's
875:
832:. Bogotá: Fundación ProAves. p. 127.
823:
821:
819:
763:
761:
759:
741:
739:
737:
735:
733:
731:
729:
727:
725:
723:
58:
43:at Chinapintza, Zamora-Chinchipe, Ecuador
31:
22:
798:Garrigues, Richard; Dean, Robert (2007).
674:
672:
670:
651:
617:
461:into northwestern Venezuelan states of
751:https://doi.org/10.2173/bow.brbscy1.01
623:
621:
439:, central and eastern Panama between
7:
830:Field Guide to the Birds of Colombia
1135:IUCN Red List least concern species
639:IUCN Red List of Threatened Species
14:
770:The Birds of Ecuador: Field Guide
863:
564:
83:
628:BirdLife International (2020).
1:
1160:Birds of the Ecuadorian Andes
1170:Taxa named by Philip Sclater
1155:Birds of the Colombian Andes
483:, both slopes of Colombia's
537:mixed-species feeding flock
1186:
547:, moss, and vine tangles.
453:, northeastern Colombia's
393:, smaller and darker than
688:"Ovenbirds, woodcreepers"
646:: e.T22703191A138225438.
185:
178:
80:Scientific classification
78:
56:
47:
39:
30:
25:
1112:Campylorhamphus-pusillus
919:Campylorhamphus pusillus
889:Campylorhamphus pusillus
870:Campylorhamphus pusillus
747:Campylorhamphus pusillus
632:Campylorhamphus pusillus
493:Department of San MartĂn
414:Distribution and habitat
259:Taxonomy and systematics
213:Campylorhamphus pusillus
189:Campylorhamphus pusillus
26:Brown-billed scythebill
1165:Birds described in 1860
800:The Birds of Costa Rica
686:, eds. (January 2023).
208:brown-billed scythebill
753:retrieved July 6, 2023
717:retrieved May 31, 2023
872:at Wikimedia Commons
308:Romero-Zambrano, 1980
1145:Birds of Costa Rica
692:IOC World Bird List
455:SerranĂa del Perijá
50:Conservation status
682:; Donsker, David;
216:) is a species of
1122:
1121:
1094:Open Tree of Life
881:Taxon identifiers
868:Media related to
839:978-0-9827615-0-2
809:978-0-8014-7373-9
779:978-0-8014-8721-7
684:Rasmussen, Pamela
586:
585:
451:C. p. tachirensis
401:C. p. tachirensis
331:C. p. tachirensis
321:
309:
301:
290:C. p. tachirensis
286:
275:
231:. It is found in
220:in the subfamily
204:
203:
73:
1177:
1115:
1114:
1102:
1101:
1089:
1088:
1076:
1075:
1063:
1062:
1050:
1049:
1037:
1036:
1024:
1023:
1011:
1010:
998:
997:
985:
984:
972:
971:
962:
961:
949:
948:
936:
935:
933:D285B68F130B5265
923:
922:
921:
908:
907:
906:
876:
867:
857:
850:
844:
843:
825:
814:
813:
795:
784:
783:
765:
754:
743:
718:
710:
704:
703:
701:
699:
676:
665:
664:
662:
660:
655:
625:
568:
560:
508:secondary forest
500:evergreen forest
476:Cauca Department
472:C. p. guapiensis
407:C. p. guapiensis
335:C. p. guapiensis
315:
307:
305:C. p. guapiensis
292:
281:
270:
224:of the ovenbird
222:Dendrocolaptinae
191:
171:C. pusillus
88:
87:
67:
62:
61:
35:
23:
1185:
1184:
1180:
1179:
1178:
1176:
1175:
1174:
1150:Birds of Panama
1140:Campylorhamphus
1125:
1124:
1123:
1118:
1110:
1105:
1097:
1092:
1084:
1079:
1071:
1066:
1058:
1053:
1045:
1040:
1032:
1027:
1019:
1014:
1006:
1001:
993:
988:
980:
975:
967:
965:
957:
952:
944:
939:
931:
926:
917:
916:
911:
902:
901:
896:
883:
861:
860:
851:
847:
840:
827:
826:
817:
810:
797:
796:
787:
780:
767:
766:
757:
744:
721:
711:
707:
697:
695:
678:
677:
668:
658:
656:
627:
626:
619:
614:
601:
592:
587:
582:
577:
576:
574:Songs and calls
553:
529:
521:
516:
437:C. p. olivaceus
416:
391:C. p. olivaceus
350:
279:C. p. olivaceus
261:
200:
193:
187:
174:
158:Campylorhamphus
82:
74:
63:
59:
52:
41:C. p. pusillius
17:
16:Species of bird
12:
11:
5:
1183:
1181:
1173:
1172:
1167:
1162:
1157:
1152:
1147:
1142:
1137:
1127:
1126:
1120:
1119:
1117:
1116:
1103:
1090:
1077:
1064:
1051:
1038:
1025:
1012:
999:
986:
973:
963:
950:
937:
924:
909:
893:
891:
885:
884:
879:
859:
858:
845:
838:
815:
808:
785:
778:
755:
719:
705:
666:
616:
615:
613:
610:
600:
597:
591:
588:
584:
583:
578:
572:
570:
558:
552:
549:
528:
525:
520:
517:
515:
512:
496:
495:
481:C. p. pusillus
478:
469:
448:
434:
431:Bocas del Toro
423:C. p. borealis
415:
412:
411:
410:
404:
398:
388:
382:C. p. borealis
349:
346:
342:C. p. pusillus
327:C. p. borealis
323:
322:
313:C. p. pusillus
310:
302:
287:
276:
268:C. p. borealis
260:
257:
202:
201:
194:
183:
182:
176:
175:
168:
166:
162:
161:
154:
150:
149:
144:
140:
139:
134:
130:
129:
124:
120:
119:
114:
110:
109:
104:
100:
99:
94:
90:
89:
76:
75:
57:
54:
53:
48:
45:
44:
37:
36:
28:
27:
15:
13:
10:
9:
6:
4:
3:
2:
1182:
1171:
1168:
1166:
1163:
1161:
1158:
1156:
1153:
1151:
1148:
1146:
1143:
1141:
1138:
1136:
1133:
1132:
1130:
1113:
1108:
1104:
1100:
1095:
1091:
1087:
1082:
1078:
1074:
1069:
1065:
1061:
1056:
1052:
1048:
1043:
1039:
1035:
1030:
1026:
1022:
1017:
1013:
1009:
1004:
1000:
996:
991:
987:
983:
978:
974:
970:
964:
960:
955:
951:
947:
942:
938:
934:
929:
925:
920:
914:
910:
905:
899:
895:
894:
892:
890:
886:
882:
877:
873:
871:
866:
856:
849:
846:
841:
835:
831:
824:
822:
820:
816:
811:
805:
801:
794:
792:
790:
786:
781:
775:
771:
764:
762:
760:
756:
752:
748:
742:
740:
738:
736:
734:
732:
730:
728:
726:
724:
720:
716:
709:
706:
693:
689:
685:
681:
675:
673:
671:
667:
654:
649:
645:
641:
640:
635:
633:
624:
622:
618:
611:
609:
606:
598:
596:
589:
581:
575:
571:
569:
567:
562:
561:
557:
550:
548:
546:
542:
538:
534:
526:
524:
518:
513:
511:
509:
505:
501:
494:
490:
486:
482:
479:
477:
473:
470:
468:
464:
460:
459:Eastern Andes
456:
452:
449:
446:
442:
438:
435:
432:
428:
424:
421:
420:
419:
413:
408:
405:
402:
399:
396:
392:
389:
387:
383:
380:
379:
378:
375:
373:
368:
364:
360:
356:
347:
345:
343:
340:
336:
332:
328:
319:
314:
311:
306:
303:
299:
298:Phelps, WH Jr
295:
291:
288:
284:
280:
277:
273:
269:
266:
265:
264:
258:
256:
254:
250:
246:
242:
238:
234:
230:
227:
223:
219:
215:
214:
209:
198:
192:
190:
184:
181:
180:Binomial name
177:
173:
172:
167:
164:
163:
160:
159:
155:
152:
151:
148:
145:
142:
141:
138:
137:Passeriformes
135:
132:
131:
128:
125:
122:
121:
118:
115:
112:
111:
108:
105:
102:
101:
98:
95:
92:
91:
86:
81:
77:
71:
66:
65:Least Concern
55:
51:
46:
42:
38:
34:
29:
24:
21:
19:
888:
862:
848:
829:
799:
769:
746:
708:
696:. Retrieved
691:
657:. Retrieved
643:
637:
631:
602:
593:
590:Vocalization
573:
563:
554:
530:
522:
497:
480:
471:
457:and extreme
450:
436:
422:
417:
406:
400:
394:
390:
381:
376:
351:
341:
334:
330:
326:
324:
312:
304:
289:
278:
267:
262:
212:
211:
207:
205:
188:
186:
170:
169:
157:
40:
20:
18:
1081:Neotropical
1016:iNaturalist
913:Wikispecies
680:Gill, Frank
659:12 November
504:cloudforest
355:supercilium
348:Description
325:Subspecies
318:Sclater, PL
229:Furnariidae
197:Sclater, PL
147:Furnariidae
1129:Categories
1107:Xeno-canto
612:References
541:bromeliads
533:arthropods
372:ochraceous
294:Phelps, WH
237:Costa Rica
545:epiphytes
447:provinces
367:rufescent
363:primaries
253:Venezuela
165:Species:
103:Kingdom:
97:Eukaryota
1060:22703191
1034:10211516
946:22703191
941:BirdLife
904:Q1264048
898:Wikidata
698:27 April
694:. v 13.1
551:Breeding
519:Movement
514:Behavior
441:Veraguas
427:ChiriquĂ
395:borealis
339:nominate
272:Carriker
233:Colombia
143:Family:
117:Chordata
113:Phylum:
107:Animalia
93:Domain:
70:IUCN 3.1
1086:brbscy1
1008:2485937
995:brbscy1
969:brbscy1
928:Avibase
527:Feeding
489:Central
485:Western
467:Táchira
386:maxilla
359:coverts
320:, 1860)
283:Griscom
241:Ecuador
199:, 1860)
153:Genus:
133:Order:
123:Class:
68: (
1099:632735
1073:261820
1047:559023
836:
806:
776:
599:Status
445:Darién
300:, 1956
296:&
285:, 1927
274:, 1910
251:, and
245:Panama
226:family
1029:IRMNG
1021:11190
990:eBird
982:68XPH
966:BOW:
959:97880
463:Zulia
1068:NCBI
1055:IUCN
1042:ITIS
1003:GBIF
954:BOLD
834:ISBN
804:ISBN
774:ISBN
700:2023
661:2021
644:2020
605:IUCN
603:The
487:and
465:and
443:and
429:and
333:and
249:Peru
218:bird
206:The
127:Aves
977:CoL
648:doi
1131::
1109::
1096::
1083::
1070::
1057::
1044::
1031::
1018::
1005::
992::
979::
956::
943::
930::
915::
900::
818:^
788:^
758:^
722:^
690:.
669:^
642:.
636:.
620:^
543:,
344:.
255:.
247:,
243:,
239:,
235:,
842:.
812:.
782:.
702:.
663:.
650::
634:"
630:"
316:(
210:(
195:(
72:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
