Dacnis Hartlaubi - Turquoise Dacnis (cropped)
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''Dacnis'' is a
genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of Neotropical 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 ...
. These are highly
sexually dichromatic Sexual dimorphism is the condition where the sexes of the same animal and/or plant species exhibit different morphological characteristics, particularly characteristics not directly involved in reproduction. The condition occurs in most anim ...
species with bright blue males and green females. They have various bill types and many of them feed on nectar.


Taxonomy and species list

The genus ''Dacnis'' was introduced in 1816 by the French naturalist
Georges Cuvier Jean Léopold Nicolas Frédéric, Baron Cuvier (; 23 August 1769 – 13 May 1832), known as Georges Cuvier, was a French natural history, naturalist and zoology, zoologist, sometimes referred to as the "founding father of paleontology". Cuvier ...
with the
blue dacnis The blue dacnis or turquoise honeycreeper (''Dacnis cayana'') is a small passerine bird. This member of the tanager family is found from Nicaragua to Panama, on Trinidad, and in South America south to Bolivia and northern Argentina. It is widesp ...
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 specimen ...
. The name is from 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 peri ...
''daknis'', an unidentified bird from Egypt listed by
Hesychius of Alexandria Hesychius of Alexandria ( grc, Ἡσύχιος ὁ Ἀλεξανδρεύς, Hēsýchios ho Alexandreús, lit=Hesychios the Alexandrian) was a Greek grammarian who, probably in the 5th or 6th century AD,E. Dickey, Ancient Greek Scholarship (2007) ...
and
Sextus Pompeius Festus Sextus Pompeius Festus, usually known simply as Festus, was a Roman grammarian who probably flourished in the later 2nd century AD, perhaps at Narbo (Narbonne) in Gaul. Work He made a 20-volume epitome of Verrius Flaccus's voluminous and encyclo ...
. This genus is placed together with the genera ''
Tesina The Tesina is an Italian river that runs in the Veneto region, in the north-east of Italy. Its source is at Cibalde, a locality in the commune of Sandrigo. It flows in the Bacchiglione river near San Pietro Intrigogna, in the territory of Vicenz ...
'' and ''
Cyanerpes The typical honeycreepers form a genus ''Cyanerpes'' of small birds in the tanager family Thraupidae. They are found in the tropical New World from Mexico south to Brazil. They occur in the forest canopy, and, as the name implies, they are specia ...
'' in the
subfamily In biological classification, a subfamily (Latin: ', plural ') is an auxiliary (intermediate) taxonomic rank, next below family but more inclusive than genus. Standard nomenclature rules end subfamily botanical names with "-oideae", and zoologi ...
Dacninae. The genus contains ten species:


References

Bird genera Taxa named by Georges Cuvier {{Thraupidae-stub