Myrmotherula

Myrmotherula
Unicolored antwren (Myrmotherula unicolor)
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Thamnophilidae
Genus: Myrmotherula
Sclater, PL, 1858
Type species
Muscicapa pygmaea
Gmelin, 1789
Species

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. The type species is the pygmy antwren.

The genus currently contains the following species:

Streaked group:

ImageCommon NameScientific NameDistribution
Moustached antwrenMyrmotherula ignotawestern Amazonia and Tumbes-Chocó-Magdalena
Pygmy antwrenMyrmotherula brachyuraAmazonia
Guianan streaked antwrenMyrmotherula surinamensisGiuana Shield
-Amazonian streaked antwrenMyrmotherula multostriataAmazonia
Pacific antwrenMyrmotherula pacificaTumbes-Chocó-Magdalena
Cherrie's antwrenMyrmotherula cherrieinorthern Amazonia
Klages's antwrenMyrmotherula klagesiBranco and lower Amazon River
Stripe-chested antwrenMyrmotherula longicaudaeastern foothills of northern Andes
-Yellow-throated antwrenMyrmotherula ambiguanorth of upper Rio Negro
-Sclater's antwrenMyrmotherula sclaterisouthern Amazonia

Grey group:

ImageCommon NameScientific NameDistribution
White-flanked antwrenMyrmotherula axilliarisCentral America and northern South America
Silvery-flanked antwrenMyrmotherula luctuosaAtlantic Forest
-Slaty antwrenMyrmotherula schisticolorCentral America and Northern Andes
-Rio Suno antwrenMyrmotherula sunensissparse range across western Amazonia
Salvadori's antwrenMyrmotherula minormid Atlantic Forest
Long-winged antwrenMyrmotherula longipennisAmazonia
Band-tailed antwrenMyrmotherula urostictaBahia coastal forests
Ihering's antwrenMyrmotherula iheringisouthern Amazonia
-Rio de Janeiro antwrenMyrmotherula fluminensisSerra dos Órgãos
-Yungas antwrenMyrmotherula griseaYungas
Unicolored antwrenMyrmotherula unicolorsouthern Atlantic Forest
-Alagoas antwrenMyrmotherula snowiPernambuco coastal forests
-Plain-winged antwrenMyrmotherula behnitepuis and sparsely across northern Andes
Grey antwrenMyrmotherula menestriesiiAmazonia
Leaden antwrenMyrmotherula assimilisriverine Amazonia

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. A molecular genetic study published in 2012 found that the genus was not monophyletic. 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. 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.

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