Leptobrachella Baluensis
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''Leptobrachella baluensis'' (Kamborangah Borneo frog or Kinabalu dwarf litter frog) is a species of
amphibian Amphibians are tetrapod, four-limbed and ectothermic vertebrates of the Class (biology), class Amphibia. All living amphibians belong to the group Lissamphibia. They inhabit a wide variety of habitats, with most species living within terres ...
in the family
Megophryidae Megophryidae, commonly known as goose frogs, is a large family of frogs native to the warm southeast of Asia, from the Himalayan foothills eastwards, south to Indonesia and the Greater Sunda Islands in Maritime Southeast Asia, and extending to th ...
. 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 montane northern
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 ...
in
Sabah Sabah () is a States and federal territories of Malaysia, state of Malaysia located in northern Borneo, in the region of East Malaysia. Sabah borders the Malaysian state of Sarawak to the southwest and the North Kalimantan province of Indone ...
and
Sarawak Sarawak (; ) is a States and federal territories of Malaysia, state of Malaysia. The largest among the 13 states, with an area almost equal to that of Peninsular Malaysia, Sarawak is located in northwest Borneo Island, and is bordered by the M ...
(
Malaysia Malaysia ( ; ) is a country in Southeast Asia. The federation, federal constitutional monarchy consists of States and federal territories of Malaysia, thirteen states and three federal territories, separated by the South China Sea into two r ...
) and northern
Kalimantan Kalimantan () is the Indonesian portion of the island of Borneo. It constitutes 73% of the island's area. The non-Indonesian parts of Borneo are Brunei and East Malaysia. In Indonesia, "Kalimantan" refers to the whole island of Borneo. In 2019, ...
(
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 ...
). It has been in synonymy with ''
Leptobrachella mjobergi ''Leptobrachella mjobergi'' (sometimes known as the Mount Gadin Borneo frog or Mjöberg's dwarf litter frog) is a species of frogs in the family Megophryidae. It is endemic to Borneo where it is found in Kalimantan (Indonesia), Brunei, and Saraw ...
'', but is now treated as a valid species.


Description

Both males and females grow to about in snout–vent length. They are grey above with dark markings with light-colored borders. Supratympanic fold is black, forming a sharp border towards the dorsum. There is no webbing in the feet. Males have a very loud, high-pitched buzzing call.
Tadpole A tadpole is the larval stage in the biological life cycle of an amphibian. Most tadpoles are fully aquatic, though some species of amphibians have tadpoles that are terrestrial. Tadpoles have some fish-like features that may not be found i ...
s are very slender with long tails and move in a characteristic, undulating fashion.


Habitat and conservation

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 ...
s are sub-montane forests (oak-chestnut and mossy forests) at elevations of
asl American Sign Language (ASL) is a natural language that serves as the predominant sign language of Deaf communities in the United States of America and most of Anglophone Canada. ASL is a complete and organized visual language that is express ...
(range 900–2200 m is given for Sabah and Sarawak). Tadpoles develop in streams with coarse gravel beds, hiding in the interstitial space. ''Leptobrachella baluensis'' is threatened by
habitat loss 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 ...
, but it occurs in several protected areas.


References


External links


Sound recordings of ''Leptobrachella baluensis'' at BioAcoustica
Baluensis Endemic fauna of Borneo Amphibians of Indonesia Amphibians of Malaysia Amphibians described in 1931 Taxa named by Malcolm Arthur Smith Taxonomy articles created by Polbot Amphibians of Borneo {{Megophryidae-stub