Threnetes
Encyclopedia
Threnetes is a 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 hummingbird
Hummingbird
Hummingbirds are birds that comprise the family Trochilidae. They are among the smallest of birds, most species measuring in the 7.5–13 cm range. Indeed, the smallest extant bird species is a hummingbird, the 5-cm Bee Hummingbird. They can hover in mid-air by rapidly flapping their wings...

 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...

 (Trochilidae). It contains the following 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...

, collectively known as the barbthroats:
  • Pale-tailed Barbthroat
    Pale-tailed Barbthroat
    The Pale-tailed Barbthroat is a species of hummingbird in the Trochilidae family.It is found in the Amazon Basin proper and bordering countries, Brazil, Bolivia, Colombia, Ecuador, Peru, French Guiana, Guyana, Suriname, and Venezuela....

    , Threnetes leucurus (formerly in T. niger)
  • Sooty Barbthroat
    Sooty Barbthroat
    The Sooty Barbthroat is a hummingbird species in the family Trochilidae.It is found in French Guiana and far north-eastern Brazil. Its natural habitat is humid tropical lowland forest....

    , Threnetes niger
    • Bronze-tailed Barbthroat, T. (n.) loehkeni
    • Christina's Barbthroat, T. (n./l.) christinae (doubtfully distinct from loehkeni)
    • Freire's Sooty Barbthroat, T. (n./l.) freirei
  • Band-tailed Barbthroat
    Band-tailed Barbthroat
    The Band-tailed Barbthroat is a medium-sized hummingbird which is a resident breeder from southeastern Guatemala and Belize to western Ecuador and western Venezuela....

    , Threnetes ruckeri


The supposed "Black Barbthroats", described as T. grzimeki, are actually juvenile males of the Rufous-breasted Hermit
Rufous-breasted Hermit
The Rufous-breasted Hermit or Hairy Hermit is a hummingbird that breeds from Panama south to Bolivia, and on Trinidad, Tobago and Grenada. It is a widespread and generally common species, though local populations may change in numbers and disappear altogether in marginal habitat-Description:It...

(Glaucis hirsuta).
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