''Periparus'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of birds in the tit family. The birds in the genus were formerly included in ''

Parus ''Parus'' is a genus of Old World birds in the tit family Paridae. It was formerly a large genus containing most of the 50 odd species in the family Paridae. The genus was split into several resurrected genera following the publication of a deta ...

'' but were moved to ''Periparus'' when ''Parus'' was split into several resurrected genera following the publication of a detailed

molecular phylogenetic Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

analysis in 2005. The name ''Periparus'' had been introduced for a

subgenus In biology, a subgenus ( subgenera) is a taxonomic rank directly below genus. In the International Code of Zoological Nomenclature, a subgeneric name can be used independently or included in a species name, in parentheses, placed between the ge ...

of ''Parus'' that included the coal tit by the Belgium naturalist

Edmond de Sélys Longchamps Baron Michel Edmond de Selys Longchamps (25 May 1813 – 11 December 1900) was a Belgium, Belgian Liberal Party (Belgium), Liberal Party politician and scientist. Selys Longchamps has been regarded as the founding figure of odonatology, the stud ...

in 1884. The genus name, is

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

''peri'' plus the pre-existing genus ''Parus''. The genus contains the following species: All occur in Asia; the coal tit also has a wide range in

Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...

and

North Africa North Africa (sometimes Northern Africa) is a region encompassing the northern portion of the African continent. There is no singularly accepted scope for the region. However, it is sometimes defined as stretching from the Atlantic shores of t ...

. These birds have white cheeks and most have a tufted head.

References

* Del Hoyo, J.; Elliot, A. & Christie D. (editors). (2007).

Handbook of the Birds of the World The ''Handbook of the Birds of the World'' (HBW) is a multi-volume series produced by the Spanish publishing house Lynx Edicions in partnership with BirdLife International. It is the first handbook to cover every known living species of bird. ...

. Volume 12: Picathartes to Tits and Chickadees. Lynx Edicions. Paridae Birds of Eurasia Bird genera {{Paridae-stub