464:
197:
75:
50:
335:, and black legs and feet. Adult males of all three subspecies are mostly black with irregular thin white bars everywhere but the throat. Adult females of the nominate subspecies are mostly cinnamon with wavy black bars; their forehead and crest are rufous and black and their tail is black with thin gray bars. Females of subspecies
453:
Only one study has been made of the undulated antshrike's breeding biology; three nests were observed. Its nesting season in Peru included
October and November. The nests were a large woven cup. The three nests each had two eggs that were white with purplish markings. Both parents incubated the eggs
516:
follows HBW taxonomy and so includes the fulvous antshrike in its assessement of the undulated antshrike, and together they are assessed as being of Least
Concern. It has a large range; its population size is not known and is believed to be decreasing. No immediate threats have been identified. The
517:
undulated antshrike is considered uncommon to rare in most of its range. It occurs in several large protected areas and its range "includes vast areas of intact suitable habitat". "This antshrike is probably an indicator of high-quality forest, as it is generally absent from disturbed areas."
441:. It forages singly or in pairs in dense foliage and vine tangles, mostly on the ground and up to about 3 m (10 ft) above it. It hops from branch to branch and along the ground to find prey. It typically jerks its tail sideways while foraging. It occasionally joins
639:
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 4 March 2024. A classification of the bird species of South
America. American Ornithological Society.
653:
Clements, J. F., P.C. Rasmussen, T. S. Schulenberg, M. J. Iliff, T. A. Fredericks, J. A. Gerbracht, D. Lepage, A. Spencer, S. M. Billerman, B. L. Sullivan, and C. L. Wood. 2023. The eBird/Clements checklist of birds of the world: v2023. Downloaded from
416:. It greatly favors dense, viny, vegetation in the understorey, especially at openings such as those formed by fallen trees and along watercourses. In elevation it ranges up to about 1,100 m (3,600 ft).
496:
is a "short series of 8-13 directly connected 'wuiw' notes, increasing in strength and pitch". The songs of the other two subspecies are not known well though they apparently differ from that of
454:
during the day and the female alone at night. Both parents provisioned the nestlings. The incubation period, time to fledging, and other details of parental care are not known.
327:
The undulated antshrike is a large dark antbird, 22 to 25 cm (8.7 to 9.8 in) long and weighing 75 to 85 g (2.6 to 3.0 oz). The species exhibits significant
725:), version 1.0. In Birds of the World (S. M. Billerman, B. K. Keeney, P. G. Rodewald, and T. S. Schulenberg, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA.
968:
1035:
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916:
504:". Other calls that may be from different populations are "a squeal followed by a sharp note" and a "short scratchy call repeated in short series".
942:
690:
1045:
271:
755:
1050:
307:
331:, though both sexes of all subspecies have a crest, a brown to pale yellow iris, a heavy black bill with a hook at the end like true
1055:
686:
267:
947:
809:
74:
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380:
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500:. What is thought to be a typical call is "a long (e.g. 1 second), nasal, downward-inflected churr" written as "
981:
986:
792:
Sánchez-MartĂnez, M.A., and G. A. Londoño (2016). Nesting behavior of male and female
Undulated Antshrike (
867:
820:
302:
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169:
561:
437:
The undulated antshrike's diet has not been detailed but is assumed to include large insects and other
339:
are paler overall than the nominate and have no bars on their mantle and their underparts. Females of
266:
The undulated antshrike's taxonomy is unresolved. The South
American Classification Committee of the
626:
Zur
Ornithologie Brasiliens : Resultate von Johann Natterers Reisen in den Jahren 1817 bis 1835
279:
249:
39:
372:
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196:
872:
783:. Revised and updated edition. Princeton University Press, Princeton, New Jersey Plate 158
384:
538:
360:
1012:
477:
294:
225:
641:
429:
The undulated antshrike is presumed to be a year-round resident throughout its range.
1029:
955:
629:(in German and Latin). Vol. 2. Wien: A. Pichler's Witwe & Sohn. p. 139.
547:
396:
257:
59:
54:
721:
Zimmer, K., M.L. Isler, E. de Juana, and H. F. Greeney (2020). Undulated
Antshrike (
895:
779:
Schulenberg, T.S., D.F. Stotz, D.F. Lane, J.P. O’Neill, and T.A. Parker III. 2010.
669:
Species limits in antbirds (Aves: Passeriformes: Thamnophilidae): an evaluation of
594:
463:
368:
352:
146:
882:
376:
929:
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392:
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1007:
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315:(Zimmer, JT, 1944) that the other taxonomies recognize as a full species, the
126:
86:
355:. The nominate subspecies is found in northwestern Brazil along the upper
204:
Range of combined undulated and fulvous antshrikes (see taxonomy section)
837:
726:
106:
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229:
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399:, and probably south into the eastern part of north-central Bolivia's
412:
332:
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656:
https://www.birds.cornell.edu/clementschecklist/download/
391:
is found in Brazil south of the Amazon between the rios
750:. New York: Oxford University Press. pp. 230–231.
379:
and south into northwestern
Bolivia as far as southern
667:
Isler, Isler, Whitney, Zimmer & Whittaker (2009).
827:
642:
https://www.museum.lsu.edu/~Remsen/SACCBaseline.htm
562:10.2305/IUCN.UK.2018-2.RLTS.T22701244A130210797.en
492:The song of the undulated antshrike's subspecies
351:The undulated antshrike is a bird of the western
457:
687:Split Frederickena unduligera into two species.
775:
773:
771:
769:
767:
673:(Undulated Antshrike) based on vocalizations.
367:is found from eastern Peru south of the rios
8:
796:). Journal of Field Ornithology 87(1):21–28.
478:Listen to undulated antshrike on xeno-canto
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406:The undulated antshrike inhabits lowland
228:, the "typical antbirds". It is found in
343:are intermediate between the other two.
526:
727:https://doi.org/10.2173/bow.undant2.01
532:
530:
272:International Ornithological Committee
224:in subfamily Thamnophilinae of family
7:
748:A Field Guide to the Birds of Brazil
311:(HBW) includes a fourth subspecies,
1036:IUCN Red List least concern species
548:IUCN Red List of Threatened Species
308:Handbook of the Birds of the World
14:
445:that pass through its territory.
359:and possibly as far south as the
1061:Taxa named by August von Pelzeln
462:
278:assign it three subspecies, the
73:
537:BirdLife International (2018).
375:east into Brazil as far as the
268:American Ornithological Society
252:by the Austrian ornithologist
1:
1046:Birds of the Colombian Amazon
443:mixed-species feeding flocks
248:The undulated antshrike was
363:(upper Amazon). Subspecies
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1051:Birds of Peruvian Amazonia
658:retrieved October 28, 2023
20:
693:. Accessed April 17, 2024
555:: e.T22701244A130210797.
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70:Scientific classification
68:
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729:retrieved April 17, 2024
347:Distribution and habitat
244:Taxonomy and systematics
21:Not to be confused with
1056:Birds described in 1868
746:van Perlo, Ber (2009).
671:Frederickena unduligera
644:retrieved March 5, 2024
593:, eds. (January 2024).
1013:Frederickena-unduliger
859:Frederickena unduliger
829:Frederickena unduliger
794:Frederickena unduliger
723:Frederickena unduliger
684:Zimmer, K. J. (2010).
541:Frederickena unduliger
303:BirdLife International
261:Thamnophilus unduliger
256:in 1868 and given the
217:Frederickena unduliger
179:Frederickena unduliger
539:"Undulated Antshrike
301:(Zimmer, JT, 1944).
33:Undulated antshrike
675:Zootaxa 2305: 61-68
621:von Pelzeln, August
599:IOC World Bird List
212:undulated antshrike
40:Conservation status
589:; Donsker, David;
254:August von Pelzeln
220:) is a species of
23:undulated antpitta
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995:Open Tree of Life
821:Taxon identifiers
757:978-0-19-530155-7
591:Rasmussen, Pamela
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329:sexual dimorphism
317:fulvous antshrike
276:Clements taxonomy
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161:F. unduliger
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389:F. u. pallida
387:departments.
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365:F. u. diversa
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337:F. u. pallida
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299:F. u. pallida
297:, 1944), and
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291:F. u. diversa
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258:binomial name
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603:. Retrieved
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566:. Retrieved
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488:Vocalization
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353:Amazon Basin
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148:Frederickena
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982:Neotropical
930:iNaturalist
853:Wikispecies
587:Gill, Frank
413:terra firme
323:Description
313:F. u. fulva
1030:Categories
1008:Xeno-canto
595:"Antbirds"
521:References
502:TCHEErrrrl
439:arthropods
295:Zimmer, JT
274:, and the
605:4 January
377:Rio Juruá
357:Rio Negro
289:, 1868),
250:described
155:Species:
93:Kingdom:
87:Eukaryota
961:22701244
873:22701244
868:BirdLife
844:Q1273997
838:Wikidata
623:(1868).
601:. v 14.1
568:17 April
449:Breeding
425:Movement
420:Behavior
410:such as
280:nominate
133:Family:
107:Chordata
103:Phylum:
97:Animalia
83:Domain:
60:IUCN 3.1
987:undant2
974:2765383
922:6100903
909:undant2
883:undant2
498:diversa
433:Feeding
397:Madeira
373:Marañón
333:shrikes
287:Pelzeln
230:Bolivia
189:, 1868)
187:Pelzeln
143:Genus:
123:Order:
113:Class:
58: (
1000:759513
948:915976
935:204513
754:
508:Status
381:La Paz
369:Amazon
270:, the
236:, and
234:Brazil
904:eBird
896:6JLVW
880:BOW:
393:Purus
969:NCBI
956:IUCN
943:ITIS
917:GBIF
752:ISBN
691:SACC
607:2024
570:2024
553:2018
514:IUCN
512:The
395:and
385:Beni
383:and
371:and
238:Peru
222:bird
210:The
117:Aves
891:CoL
557:doi
305:'s
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25:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
