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''Leptomantis harrissoni'', common name Harrisson's flying frog or brown tree frog, is a species of
frog A frog is any member of a diverse and largely semiaquatic group of short-bodied, tailless amphibian vertebrates composing the order (biology), order Anura (coming from the Ancient Greek , literally 'without tail'). Frog species with rough ski ...
in the family
Rhacophoridae The Rhacophoridae are a family of frogs in tropical sub-Saharan Africa, South India and Sri Lanka, Japan, northeastern India to eastern China and Taiwan, south through the Philippines and Greater Sundas, and Sulawesi. They are commonly known as ...
. It is
endemic Endemism is the state of a species being found only 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 foun ...
to northern
Borneo Borneo () is the List of islands by area, third-largest island in the world, with an area of , and population of 23,053,723 (2020 national censuses). Situated at the geographic centre of Maritime Southeast Asia, it is one of the Greater Sunda ...
.


Distribution

This species is widely distributed in northern
Borneo Borneo () is the List of islands by area, third-largest island in the world, with an area of , and population of 23,053,723 (2020 national censuses). Situated at the geographic centre of Maritime Southeast Asia, it is one of the Greater Sunda ...
and occurs in
Sarawak Sarawak ( , ) is a States and federal territories of Malaysia, state of Malaysia. It is the largest among the 13 states, with an area almost equal to that of Peninsular Malaysia. Sarawak is located in East Malaysia in northwest Borneo, and is ...
and
Sabah Sabah () is a States and federal territories of Malaysia, state of Malaysia located in northern Borneo, in the region of East Malaysia. Sabah has land borders with the Malaysian state of Sarawak to the southwest and Indonesia's North Kalima ...
(Malaysia),
Brunei Brunei, officially Brunei Darussalam, is a country in Southeast Asia, situated on the northern coast of the island of Borneo. Apart from its coastline on the South China Sea, it is completely surrounded by the Malaysian state of Sarawak, with ...
, and northern
Kalimantan Kalimantan (; ) is the Indonesian portion of the island of Borneo. It constitutes 73% of the island's area, and consists of the provinces of Central Kalimantan, East Kalimantan, North Kalimantan, South Kalimantan, and West Kalimantan. The non-Ind ...
(Indonesia).


Habitat

Its natural
habitat In ecology, habitat refers to the array of resources, 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 manifestation of its ...
is primary or old secondary lowland rainforests in both flat and hilly terrain below 350 m of elevation. It is threatened by
habitat loss Habitat destruction (also termed habitat loss or habitat reduction) occurs when a natural habitat is no longer able to support its native species. The organisms once living there have either moved elsewhere, or are dead, leading to a decrease ...
.


Description

''Leptomantis harrissoni'' can reach a length of about in males, of about in females. These medium-sized frogs have an angular and pointed snout and well developed dark hand webbing. They are basically brown. Tadpoles can reach a length of about , They have a well developed and rather pointed tail fin, an ovoid body and a short snout. The basic color is dark brown.


Biology

''Leptomantis harrissoni'' spends most of its life high up in the forest. Males call for breeding in water-containing holes located in the trunks of trees. Eggs are laid in a foam nest attached to the bark above said tree holes. These frogs use the skin membranes between their fingers as a kind of parachute to make real flights among the branches of trees of the forest (hence the common name of the species).


References

{{Taxonbar, from=Q2706787 harrissoni Endemic fauna of Borneo Amphibians of Brunei Amphibians of Indonesia Amphibians of Malaysia Taxa named by Robert F. Inger Amphibians described in 1959 Taxobox binomials not recognized by IUCN Taxonomy articles created by Polbot Amphibians of Borneo