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Unicoloured Antwren.jpg
Unicolored antwren (Myrmotherula unicolor)
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Thamnophilidae
Genus: Myrmotherula
Sclater, PL, 1858

See text

Myrmotherula is a genus of insectivorous passerine birds in the antbird family, Thamnophilidae. These are all small antbirds, measuring 9–11.5 cm (3.5–4.5 in).

The genus was erected by the English zoologist Philip Sclater in 1858.[1] The type species is the pygmy antwren.[2]

The genus currently contains the following species:[3]

Streaked group:

Grey group:

Several species previously included in this genus as the "stipple-throated group" have now been transferred to a new genus, Epinecrophylla based on a 2006 study of nest architecture, foraging behaviour and vocal repertoire.[3][4] A molecular genetic study published in 2012 found that the genus was not monophyletic.[5] As a step in creating monophyletic genera, two species that were only distantly related to the other members of Myrmotherula, the rufous-bellied antwren and the plain-throated antwren, were moved to the newly erected genus Isleria.[3][5] A further study published in 2014 confirmed that the species remaining in Myrmotherula formed a paraphyletic group with respect to the genera Terenura, Formicivora, Stymphalornis and Myrmochanes.[6]


  1. ^ Sclater, Philip Lutley (1858). "Synopsis of the American Ant-birds (Formicariidae). Part II containing the Formicivorinae or Ant-wrens". Part 26: 232–254 [234]. Cite journal requires |journal= (help)
  2. ^ Peters, James Lee, ed. (1951). Check-list of Birds of the World. Volume 7. Cambridge, Massachusetts: Museum of Comparative Zoology. p. 188.
  3. ^ a b c Gill, Frank; Donsker, David, eds. (2018). "Antbirds". World Bird List Version 8.1. International Ornithologists' Union. Retrieved 4 February 2018.
  4. ^ Isler, M.L.; Lacerda, D.R.; Isler, P.R.; Hackett, S.J.; Rosenberg, K.V.; Brumfield, R.T. (2006). "Epinecrophylla, a new genus of antwrens (Aves: Passeriformes: Thamnophilidae)". Proceedings of the Biological Society of Washington. 119 (4): 522–527. doi:10.2988/0006-324X(2006)119[522:EANGOA]2.0.CO;2.
  5. ^ a b Bravo, G.A.; Chesser, R.T.; Brumfield, R.T. (2012). "Isleria, a new genus of antwren (Aves: Passeriformes: Thamnophilidae)". Zootaxa. 3195: 61–67.
  6. ^ Bravo, G.A.; Remsen, J.V.; Brumfield, R.T. (2014). "Adaptive processes drive ecomorphological convergent evolution in antwrens (Thamnophilidae)". Evolution. 68 (10): 2757–2774. doi:10.1111/evo.12506. See also Supporting Information Figure S.1