Myrmeciza
Encyclopedia
Myrmeciza is a perching bird genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 in the family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Thamnophilidae. About 20 species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 have been placed here in recent times, but thus delimited the "genus" is almost certainly not monophyletic.

The species apparently form several discrete groups, at least one of which does certainly not belong here. One seems to be closer to some other genera than to the core of the present genus, but the exact affiliations of the third group as well as some others (including the type species
Type species
In biological nomenclature, a type species is both a concept and a practical system which is used in the classification and nomenclature of animals and plants. The value of a "type species" lies in the fact that it makes clear what is meant by a particular genus name. A type species is the species...

 M. longipes) are not robustly resolved.

The species and their groups are:
  • Chestnut-tailed group (Pithyini)
    • (Southern) Chestnut-tailed Antbird
      Chestnut-tailed Antbird
      The Chestnut-tailed Antbird , also known as the Southern Chestnut-tailed Antbird, is a species of bird in the Thamnophilidae family. It is found in the Amazon Rainforest in far southern Colombia, eastern Ecuador, eastern Peru, northern Bolivia, and western and central Brazil...

      , Myrmeciza hemimelaena
    • Northern Chestnut-tailed Antbird or Zimmer's Antbird
      Zimmer's Antbird
      The Zimmer's Antbird , also known as the Northern Chestnut-tailed Antbird, is a species of bird in the Thamnophilidae family. It is found in the Amazon Rainforest in northeastern Peru and far eastern Ecuador...

      , Myrmeciza castanea
  • Large dark group (close to Pyriglena
    Pyriglena
    The fire-eyes, Pyriglena, are a genus of birds in the antbird family Thamnophilidae.The genus contains three species, all found in South America. The fire-eyes are 16–18 cm in length, weigh 25-36 g and have characteristic red eyes that give them their name...

    )
    • Plumbeous Antbird
      Plumbeous Antbird
      The Plumbeous Antbird is a species of bird in the Thamnophilidae family. It is found in Bolivia, Brazil, Colombia, Ecuador, and Peru.Its natural habitat is subtropical or tropical swamps.-References:...

      , Myrmeciza hyperythra
    • Goeldi's Antbird
      Goeldi's Antbird
      The Goeldi's Antbird is a species of bird in the Thamnophilidae family. It is found in Bolivia, Brazil, and Peru.Its natural habitat is subtropical or tropical moist lowland forests.-References:...

      , Myrmeciza goeldii
    • White-shouldered Antbird
      White-shouldered Antbird
      The White-shouldered Antbird is a species of bird in the Thamnophilidae family.It is found in Brazil, Colombia, Ecuador, and Peru.Its natural habitat is subtropical or tropical swamps.-References:...

      , Myrmeciza melanoceps
    • Sooty Antbird
      Sooty Antbird
      The Sooty Antbird is a species of bird in the Thamnophilidae family. It is found in Bolivia, Brazil, Colombia, Ecuador, and Peru.Its natural habitat is subtropical or tropical moist lowland forests.-References:...

      , Myrmeciza fortis
    • Immaculate Antbird
      Immaculate Antbird
      The Immaculate Antbird is a species of antbird in the family Thamnophilidae. It is found at low levels in humid forests in Costa Rica, Panama, western and northern Colombia, western Venezuela, and western Ecuador...

      , Myrmeciza immaculata
  • Patterned breast group (close to Hypocnemoides
    Hypocnemoides
    Hypocnemoides is a genus of bird in the Thamnophilidae family.It contains the following species:* Black-chinned Antbird, Hypocnemoides melanopogon* Band-tailed Antbird, Hypocnemoides maculicauda...

    and Hylophylax
    Hylophylax
    Hylophylax is a genus of bird in the Thamnophilidae family.-Species:* Spotted Antbird, Hylophylax naevioides* Spot-backed Antbird, Hylophylax naevius* Dot-backed Antbird, Hylophylax punctulatus...

    )
    • Ferruginous-backed Antbird
      Ferruginous-backed Antbird
      The Ferruginous-backed Antbird is a species of bird in the Thamnophilidae family.It is found in Brazil, French Guiana, Guyana, Suriname, and Venezuela.Its natural habitat is subtropical or tropical moist lowland forests....

      , Myrmeciza ferruginea
    • Scalloped Antbird
      Scalloped Antbird
      The Scalloped Antbird is a species of bird in the Thamnophilidae family. It is endemic to Brazil.Its natural habitats are subtropical or tropical dry forests and subtropical or tropical moist lowland forests. It is threatened by habitat loss.-References:* BirdLife International 2004. . ...

      , Myrmeciza ruficauda
    • White-bibbed Antbird
      White-bibbed Antbird
      The White-bibbed Antbird is a species of bird in the Thamnophilidae family. It is endemic to Brazil.Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests....

      , Myrmeciza loricata
    • Squamate Antbird
      Squamate Antbird
      The Squamate Antbird is a species of bird in the Thamnophilidae family. It is endemic to Brazil.Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests....

      , Myrmeciza squamosa
  • Grey-headed group
    • Grey-headed Antbird
      Grey-headed Antbird
      The Grey-headed Antbird is a species of bird in the Thamnophilidae family. It is found in Ecuador and Peru....

      , Myrmeciza griseiceps
    • Dull-mantled Antbird
      Dull-mantled Antbird
      The Dull-mantled Antbird is a perching bird species in the antbird family . Its scientific name is presently Myrmeciza laemosticta, but as it does not seem to be closely related to the White-bellied Antbird The Dull-mantled Antbird is a perching bird species in the antbird family (Thamnophilidae)....

      , Myrmeciza laemosticta
    • Esmeraldas Antbird
      Esmeraldas Antbird
      The Esmeraldas Antbird is a species of bird in the Thamnophilidae family. It is found in Colombia and Ecuador. The species has been the source of taxonomic confusion in the past, as the male was placed as a separate species...

      , Myrmeciza nigricauda
    • Stub-tailed Antbird, Myrmeciza berlepschi
  • unassigned
    • Yapacana Antbird
      Yapacana Antbird
      The Yapacana Antbird is a species of bird in the Thamnophilidae family. It is found in Brazil, Colombia, and Venezuela.Its natural habitat is subtropical or tropical moist lowland forests.-References:...

      , Myrmeciza disjuncta
    • White-bellied Antbird
      White-bellied Antbird
      The White-bellied Antbird , is a passerine bird which breeds in the tropical New World from Panama to northern Brazil and in Trinidad. It is also called Swainson's Antcatcher after William John Swainson, who first described it scientifically...

      , Myrmeciza longipes (patterned breast group?)
    • Chestnut-backed Antbird
      Chestnut-backed Antbird
      The Chestnut-backed Antbird, Myrmeciza exsul, is a passerine bird in the antbird family. It is found in humid forests in Central and South America , ranging from eastern Nicaragua to western Ecuador...

      , Myrmeciza exsul (large dark group? grey-headed group?)
    • Gray-bellied Antbird, Myrmeciza pelzelni
    • Black-throated Antbird
      Black-throated Antbird
      The Black-throated Antbird is a species of bird in the Thamnophilidae family.It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela....

      , Myrmeciza atrothorax
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