The black-bearded flying fox (''Pteropus melanopogon'') is an
endangered
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inva ...
species of
megabat
Megabats constitute the family Pteropodidae of the order Chiroptera (bats). They are also called fruit bats, Old World fruit bats, or—especially the genera ''Acerodon'' and ''Pteropus''—flying foxes. They are the only member of the su ...
in the genus ''
Pteropus
''Pteropus'' (suborder Yinpterochiroptera) is a genus of megabats which are among the largest bats in the world. They are commonly known as fruit bats or flying foxes, among other colloquial names.
They live in South Asia, Southeast Asia, Austra ...
''.
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
Indonesia
Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...
, found on the islands of
Ambon
Ambon may refer to:
Places
* Ambon Island, an island in Indonesia
** Ambon, Maluku, a city on Ambon Island, the capital of Maluku province
** Governorate of Ambon, a colony of the Dutch East India Company from 1605 to 1796
* Ambon, Morbihan, a c ...
,
Buru
Buru (formerly spelled Boeroe, Boro, or Bouru) is the third largest island within the Maluku Islands of Indonesia. It lies between the Banda Sea to the south and Seram Sea to the north, west of Ambon and Seram islands. The island belongs to Ma ...
,
Seram
Seram (formerly spelled Ceram; also Seran or Serang) is the largest and main island of Maluku province of Indonesia, despite Ambon Island's historical importance. It is located just north of the smaller Ambon Island and a few other adjacent is ...
,
Banda
Banda may refer to:
People
*Banda (surname)
*Banda Prakash (born 1954), Indian politician
*Banda Kanakalingeshwara Rao (1907–1968), Indian actor
*Banda Karthika Reddy (born 1977), Indian politician
*Banda Singh Bahadur (1670–1716), Sikh warr ...
, and
Yamdena
Yamdena (spelt Jamdena during the Dutch colonial period) is the largest of the Tanimbar Islands in the Maluku Province of Indonesia. Saumlaki is the chief town, located on the south end of the island.
The island has a range of forested hills al ...
.
Currently considered
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
, it formerly included the
Aru flying fox
The Aru flying fox (''Pteropus aruensis'') is a Critically Endangered species of megabat found in the Aru Islands in Indonesia. It was described by Wilhelm Peters in 1867. It was formerly considered a subspecies of the black-bearded flying fox.Si ...
and
Kei flying fox
The Kei flying fox (''Pteropus keyensis'') is a species of megabat in the genus ''Pteropus'' found in the Kai Islands of Indonesia. It was formerly considered a subspecies of the black-bearded flying fox (''Pteropus melanopogon'').D.E. Wilson & D. ...
as
subspecies
In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...
.
[
]
Taxonomy and etymology
It was described in 1867 by German naturalist Wilhelm Peters
Wilhelm Karl Hartwich (or Hartwig) Peters (22 April 1815 in Koldenbüttel – 20 April 1883) was a German natural history, naturalist and explorer.
He was assistant to the anatomist Johannes Peter Müller and later became curator of the Natural ...
based on an individual in the collection of Hermann Schlegel
Hermann Schlegel (10 June 1804 – 17 January 1884) was a German ornithologist, herpetologist and ichthyologist.
Early life and education
Schlegel was born at Altenburg, the son of a brassfounder. His father collected butterflies, which stimula ...
.
Its species name
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
comes from the New Latin
New Latin (also called Neo-Latin or Modern Latin) is the revival of Literary Latin used in original, scholarly, and scientific works since about 1500. Modern scholarly and technical nomenclature, such as in zoological and botanical taxonomy ...
melanin
Melanin (; from el, μέλας, melas, black, dark) is a broad term for a group of natural pigments found in most organisms. Eumelanin is produced through a multistage chemical process known as melanogenesis, where the oxidation of the amino ...
, which is derived from 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 ...
"mélas", meaning "black", and 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 ...
pṓgōn, meaning "beard".
As the genus ''Pteropus
''Pteropus'' (suborder Yinpterochiroptera) is a genus of megabats which are among the largest bats in the world. They are commonly known as fruit bats or flying foxes, among other colloquial names.
They live in South Asia, Southeast Asia, Austra ...
'' is speciose, it is divided into closely related species groups. The black-bearded flying fox is identifier of the ''melanopogon'' species group, which also includes the following species:[
*]Aru flying fox
The Aru flying fox (''Pteropus aruensis'') is a Critically Endangered species of megabat found in the Aru Islands in Indonesia. It was described by Wilhelm Peters in 1867. It was formerly considered a subspecies of the black-bearded flying fox.Si ...
(''Pteropus aruensis'')
*Kei flying fox
The Kei flying fox (''Pteropus keyensis'') is a species of megabat in the genus ''Pteropus'' found in the Kai Islands of Indonesia. It was formerly considered a subspecies of the black-bearded flying fox (''Pteropus melanopogon'').D.E. Wilson & D. ...
(''Pteropus keyensis'')
Description
Adults weigh approximately .
It is one of the heavier species of its family, based on the few individuals that have been weighed.
The fur is dark red on its brow, face, between the eyes, and under the jaw.
On its head, neck, shoulders, and ventral side, it is bright reddish brown.
Individual hairs are bicolored, with the base of the hair pale and yellowish while the tip is darker.
Its dorsal surface is dark brown, with bright yellow hairs sparsely throughout.
The uropatagium
The patagium (plural: patagia) is a membranous body part that assists an animal in obtaining lift when gliding or flight. The structure is found in extant and extinct groups of flying and gliding animals including bats, birds, some dromaeosaurs, ...
is covered with long, dark brown fur.
Its forearm is approximately long.
Its ears are shorter than its muzzle.
While in many species of bats the wings attach to the sides of the body, in this species, the wings attach closer to the spine.
The legs and forearms lack fur.
The baculum
The baculum (also penis bone, penile bone, or ''os penis'', ''os genitale'' or ''os priapi'') is a bone found in the penis of many placental mammals. It is absent from the human penis, but present in the penises of some primates, such as the ...
is long.
It has a robust skull compared to other members of its genus.
Biology
It has been observed feeding on the flowers of durian
The durian (, ) is the edible fruit of several tree species belonging to the genus ''Durio''. There are 30 recognised ''Durio'' species, at least nine of which produce edible fruit. ''Durio zibethinus'', native to Borneo and Sumatra, is the onl ...
trees.
It is a colonial
Colonial or The Colonial may refer to:
* Colonial, of, relating to, or characteristic of a colony or colony (biology)
Architecture
* American colonial architecture
* French Colonial
* Spanish Colonial architecture
Automobiles
* Colonial (1920 au ...
species, forming roosts of up to 200 individuals.
Colonies are usually conspecific
Biological specificity is the tendency of a characteristic such as a behavior or a biochemical variation to occur in a particular species.
Biochemist Linus Pauling stated that "Biological specificity is the set of characteristics of living organ ...
, although they have been observed roosting with the Moluccan flying fox, though not in the same tree.
It is a known host
A host is a person responsible for guests at an event or for providing hospitality during it.
Host may also refer to:
Places
* Host, Pennsylvania, a village in Berks County
People
*Jim Host (born 1937), American businessman
* Michel Host ...
of at least one species of mite in the family Gastronyssidae, ''Opsonyssus asiaticus'', which lives in its nasal cavities
The nasal cavity is a large, air-filled space above and behind the nose in the middle of the face. The nasal septum divides the cavity into two cavities, also known as fossae. Each cavity is the continuation of one of the two nostrils. The nasal c ...
.
Range and habitat
It is endemic to the Maluku Islands
The Maluku Islands (; Indonesian: ''Kepulauan Maluku'') or the Moluccas () are an archipelago in the east of Indonesia. Tectonically they are located on the Halmahera Plate within the Molucca Sea Collision Zone. Geographically they are located eas ...
, which are a part of Indonesia
Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...
.
The only known remaining colony roosts in mangrove
A mangrove is a shrub or tree that grows in coastal saline water, saline or brackish water. The term is also used for tropical coastal vegetation consisting of such species. Mangroves are taxonomically diverse, as a result of convergent evoluti ...
forests on Seram Island
Seram (formerly spelled Ceram; also Seran or Serang) is the largest and main island of Maluku province of Indonesia, despite Ambon Island's historical importance. It is located just north of the smaller Ambon Island and a few other adjacent is ...
.
In the past, its range included Ambon Island
Ambon Island is part of the Maluku Islands of Indonesia. The island has an area of and is mountainous, well watered, and fertile. Ambon Island consists of two territories: the city of Ambon, Maluku, Ambon to the south and various districts ('' ...
, Buru
Buru (formerly spelled Boeroe, Boro, or Bouru) is the third largest island within the Maluku Islands of Indonesia. It lies between the Banda Sea to the south and Seram Sea to the north, west of Ambon and Seram islands. The island belongs to Ma ...
, Banda Islands
The Banda Islands ( id, Kepulauan Banda) are a volcanic group of ten small volcanic islands in the Banda Sea, about south of Seram Island and about east of Java, and constitute an administrative district (''kecamatan'') within the Central M ...
, and Yamdena
Yamdena (spelt Jamdena during the Dutch colonial period) is the largest of the Tanimbar Islands in the Maluku Province of Indonesia. Saumlaki is the chief town, located on the south end of the island.
The island has a range of forested hills al ...
,[ though there are no recent observations on any of these islands.]
Conservation
In the 1800s, its population was abundant.
It is currently evaluated as endangered
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inva ...
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 ...
.
At present, there is only one colony of this species remaining, and it consists of fewer than 200 individuals.
The species is not protected, and the habitat that supports the remaining colony is not protected either.
From 2016–2049, its population is expected to decline by 50%.
Threats to this species include habitat destruction
Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...
via deforestation
Deforestation or forest clearance is the removal of a forest or stand of trees from land that is then converted to non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban use. The most concentrated d ...
and overhunting for bushmeat
Bushmeat is meat from wildlife species that are hunted for human consumption, most often referring to the meat of game in Africa. Bushmeat represents
a primary source of animal protein and a cash-earning commodity for inhabitants of humid tropi ...
.
Because it is a highly-colonial species, it is a popular target for hunters, and its population is vulnerable to drastic decline.
References
{{DEFAULTSORT:Black-Bearded Flying Fox
Pteropus
Mammals of Indonesia
Mammals described in 1867
Bats as food
Taxa named by Wilhelm Peters
Taxonomy articles created by Polbot