Editing Proboscis monkey (section)

==Distribution and habitat==
[[File:Proboscis monkey (Nasalis larvatus) juvenile Labuk Bay.jpg|thumb|Juvenile in Labuk Bay, [[Sabah]]]]
The proboscis monkey is [[endemic]] to the island of [[Borneo]] and can be found in all three nations that divide the island: [[Brunei]], [[Indonesia]] and [[Malaysia]].<ref>{{cite journal|author1=Bradon-Jones D. |author2=Eudey A. A. |author3=Geissmann T. |author4=Groves C. P. |author5=Melnick D. J. |author6=Morales J. C. |author7=Shekelle M. |author8=Stewart C. B. |year=2004| title=Asian primate classification| journal= International Journal of Primatology| volume= 25 | issue=1|pages=97–164|doi=10.1023/B:IJOP.0000014647.18720.32|s2cid=29045930}}</ref> It is most common in coastal areas and along rivers.<ref name=Bennett1993>Bennett E. L., Gombek F. (1993) ''Proboscis monkeys of Borneo. Sabah (MY):Koktas Sabah Berhad Ranau''.</ref> This species is restricted to lowland habitats that may experience tides.<ref name=Sebastian2000>{{cite journal |author=Sebastian A. C. |year= 2000 |title=Proboscis monkeys in Danau Sentarum National Park| journal=Borneo Research Bulletin |volume=31 |pages=359–371}}</ref><ref>{{cite journal|author1=Kawabe M. |author2=Mano T. |year=1972| title=Ecology and behavior of the wild proboscis monkey, ''Nasalis larvatus'' (Wurmb) in Sabah, Malaysia |journal=Primates |volume= 13| issue=2|pages=213–228 |doi=10.1007/BF01840882 |s2cid=20269823}}</ref> It favors [[dipterocarp]], [[mangrove]] and [[riverine]] forests.<ref name=Bennett1993/> It can also be found in swamp forests, stunted swamp forests, rubber forests, rubber plantations, limestone hill forests, [[Nypa fruticans|nypa]] swamps, [[Oncosperma|nibong]] swamps, tall swamp forests, tropical heath forests and steep cliffs.<ref name=Sebastian2000/> This species usually stays within at least a kilometer from a water source. It is perhaps the most [[aquatic animal|aquatic]] of the primates and is a fairly good swimmer, capable of swimming up to {{convert|20|m|ft|abbr=on}} underwater. It is known to swim across rivers.<ref name=Sebastian2000/> Aside from this, the proboscis monkey is largely arboreal and moves quadrupedally and by leaps.<ref name=Napier1985/> It is known to jump off branches and descend into water.<ref name=Boonratana1993>{{cite thesis |author=Boonratana R. |date=1993 |title=The ecology and behaviour of the proboscis monkey (''Nasalis larvatus'') in the lower Kinabatangan, Sabah |type=PhD |publisher=Mahidol University |url=https://www.researchgate.net/publication/35492838}}</ref>