The Crocker jungle flycatcher (''Cyornis ruficrissa'') is a species of

passerine A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped'), which includes more than half of all bird species. Sometimes known as perching birds, passerines are distinguished from other orders of birds by th ...

bird in the Old World flycatcher family

Muscicapidae The Old World flycatchers are a large family, the Muscicapidae, of small passerine birds restricted to the Old World (Europe, Africa and Asia), with the exception of several vagrants and two species, Bluethroat (''Luscinia svecica)'' and North ...

. 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 els ...

Borneo Borneo (; id, Kalimantan) is the List of islands by area, third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java Isl ...

. 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 ...

is subtropical or tropical moist

montane forest 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 crucia ...

s. The Crocker jungle flycatcher was split from the

rufous-tailed jungle flycatcher Rufous-tailed jungle flycatcher has been split into the following species: * Philippine jungle flycatcher, ''Cyornis ruficauda'' * Sulu jungle flycatcher The Sulu jungle flycatcher (''Cyornis ocularis'') is a species of passerine bird in the Old ...

(''Cyornis rufocauda'') as distinct species by the

IOC The International Olympic Committee (IOC; french: link=no, Comité international olympique, ''CIO'') is a non-governmental Sports governing body, sports organisation based in Lausanne, Switzerland. It is constituted in the form of an associ ...

in 2021.

References

Cyornis Birds described in 1887 Endemic birds of Borneo Taxa named by Richard Bowdler Sharpe {{Muscicapidae-stub