''Poecilostreptus'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of birds in the tanager family

Thraupidae The tanagers (singular ) comprise the bird family Thraupidae, in the order Passeriformes. The family has a Neotropical distribution and is the second-largest family of birds. It represents about 4% of all avian species and 12% of the Neotropica ...

Taxonomy and species list

These species were formerly placed in the genus '' Tangara''. A molecular phylogenetic study published in 2014 found that ''Tangara'' was

polyphyletic A polyphyletic group is an assemblage of organisms or other evolving elements that is of mixed evolutionary origin. The term is often applied to groups that share similar features known as homoplasies, which are explained as a result of conver ...

. In the rearrangement to create monophyletic genera, the new genus, ''Poecilostreptus'', was erected with the

grey-and-gold tanager The grey-and-gold tanager (''Poecilostreptus palmeri'') is a species of bird in the family Thraupidae. It is found in Colombia, Ecuador, and Panama (Serranía del Darién and western Andean slope of Colombia and Ecuador). Its natural habitats ar ...

as the

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specime ...

. The genus name combines the

Ancient Greek Ancient Greek includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Dark Ages (), the Archaic p ...

ποικίλος/''poikílo'' meaning "spotted" or "dappled" and στρεπτός/''streptós'' meaning "collar". The genus contains the two species: *

Azure-rumped tanager The azure-rumped tanager or Cabanis's tanager (''Poecilostreptus cabanisi'') is a species of bird in the family Thraupidae. It is a local resident in humid broadleaf forests and adjacent plantations of the Pacific slope of western Guatemala and s ...

, ''Poecilostreptus cabanisi'' *

Grey-and-gold tanager The grey-and-gold tanager (''Poecilostreptus palmeri'') is a species of bird in the family Thraupidae. It is found in Colombia, Ecuador, and Panama (Serranía del Darién and western Andean slope of Colombia and Ecuador). Its natural habitats ar ...

, ''Poecilostreptus palmeri''

References

Poecilostreptus Bird genera Taxa named by Kevin J. Burns (ornithologist) Taxa named by Philip Unitt Taxa named by Nicholas A. Mason {{Thraupidae-stub