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ICMBio. 2019. Sumário Executivo do Plano de Ação Nacional para a Conservação das Aves da Caatinga 2º Ciclo.
IUCN SSC Center for Species Survival Brazil (CSS Brazil) and the National Center for Research and Conservation of Wild Birds (CEMAVE-ICMBio). 2020. An evaluation of causes of categories and criteria mismatches between the IUCN Global Red List and the National List of Endangered Species of Brazil: the endemic birds.
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Neto, S. D.; Vasconcelos, M. F. De; Silveira, L. F. 2001. Range extensions, plumage variation, and conservation of the Narrow-billed Antwren (Formicivora iheringi), a Brazilian endemic. International Journal of Ornithology 4(3/4): 225-229.
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Tobias, J. A.; Catsis, M. C.; Williams, R. S. R. 1993. Notes on scarce birds observed in southern and eastern Brazil: 24 July - 7 September 1993.
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WikiAves. 2018. Formigueiro-do-nordeste. WikiAves. Available at: https://www.wikiaves.com.br/wiki/formigueiro-do-nordeste.
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Search for photos and videos, and hear sounds of this species from the Macaulay Library
Recommended citation
BirdLife International (2024) Species factsheet: Narrow-billed Antwren Formicivora iheringi. Downloaded from
https://datazone.birdlife.org/species/factsheet/narrow-billed-antwren-formicivora-iheringi on 23/12/2024.
Recommended citation for factsheets for more than one species: BirdLife International (2024) IUCN Red List for birds. Downloaded from
https://datazone.birdlife.org/species/search on 23/12/2024.