The Javan blue flycatcher (''Cyornis banyumas'') 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
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 Norther ...
.
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 the
Indonesian
Indonesian is anything of, from, or related to Indonesia, an archipelagic country in Southeast Asia. It may refer to:
* Indonesians, citizens of Indonesia
** Native Indonesians, diverse groups of local inhabitants of the archipelago
** Indonesian ...
islands of
Java
Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's List ...
and
Panaitan
Panaitan (Prinsen, or Prince's Island; sometimes also Princess Island) (1450 m) is an island in the Sunda Strait, between Java and Sumatra, and in the Indonesian province of Banten. It is the largest island in the strait, and is located near the ...
.
The
Dayak blue flycatcher
The Dayak blue flycatcher (''Cyornis montanus'') is a species of bird in the family Muscicapidae.
It is endemic to the island of Borneo. The Dayak blue flycatcher, formerly considered conspecific with the Javan blue flycatcher (''Cyornis banyumas ...
(''Cyornis montanus'') of
Borneo
Borneo (; id, Kalimantan) is the 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, west of Sulawesi, and eas ...
, which was formerly considered conspecific, was split as a distinct species by the
IOC
The International Olympic Committee (IOC; french: link=no, Comité international olympique, ''CIO'') is a non-governmental sports organisation based in Lausanne, Switzerland. It is constituted in the form of an association under the Swiss ...
in 2021.
References
Javan blue flycatcher
The Javan blue flycatcher (''Cyornis banyumas'') is a species of bird in the family Muscicapidae.
It is endemic to the Indonesian islands of Java and Panaitan. The Dayak blue flycatcher (''Cyornis montanus'') of Borneo
Borneo (; id, Kali ...
Javan blue flycatcher
The Javan blue flycatcher (''Cyornis banyumas'') is a species of bird in the family Muscicapidae.
It is endemic to the Indonesian islands of Java and Panaitan. The Dayak blue flycatcher (''Cyornis montanus'') of Borneo
Borneo (; id, Kali ...
Taxa named by Thomas Horsfield
Endemic fauna of Java
Birds of Java
{{Muscicapidae-stub