The yellow tit, Taiwan yellow tit, or Formosan yellow tit (''Machlolophus holsti'') is a species of

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...

in the family

Paridae The tits, chickadees, and Titmouse, titmice constitute the Paridae, a large family of small passerine birds which occur mainly in the Northern Hemisphere and Africa. Most were formerly classified in the genus ''Parus''. Members of this family a ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to central

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

. Its natural

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

montane Montane ecosystems are found on the slopes of mountains. The alpine climate in these regions strongly affects the ecosystem because temperatures fall as elevation increases, causing the ecosystem to stratify. This stratification is a crucial f ...

temperate

forest A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...

. It has a restricted range and small population, and appears to be declining due to large-scale capture for export by the wild bird trade, so it is classed as

Near Threatened A near-threatened species is a species which has been categorized as "Near Threatened" (NT) by the International Union for Conservation of Nature as that may be vulnerable to endangerment in the near future, but it does not currently qualify fo ...

by the

IUCN The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...

. The yellow tit was formerly one of the many species in the genus ''

Parus ''Parus'' is a genus of Old World birds in the tit family. 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 detailed mo ...

'' but was moved to ''

Machlolophus ''Machlolophus'' is a genus of birds in the tit family. The species were formerly placed with many others in the genus ''Parus'' but were moved to ''Machlolophus'' based on a molecular phylogenetic analysis published in 2013 that showed that the ...

'' after a

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 published in 2013 showed that the members of the new genus formed a distinct

clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...

. Its length is 13 cm. The yellow tit is mostly yellow, with a crest. The crest and back are blackish blue-grey.

References

yellow tit The yellow tit, Taiwan yellow tit, or Formosan yellow tit (''Machlolophus holsti'') is a species of bird in the family Paridae. It is endemic to central Taiwan. Its natural habitat is montane temperate forest. It has a restricted range and small ...

Birds of Taiwan

Taxonomy articles created by Polbot {{Paridae-stub