The Amuyao tree-mouse (''Musseromys inopinatus'') is a species of

rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are n ...

in the family Muridae. It is found on Mount Amuyao in

Luzon Luzon (; ) is the largest and most populous island in the Philippines. Located in the northern portion of the Philippines archipelago, it is the economic and political center of the nation, being home to the country's capital city, Manila, as ...

Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...

Description

As for all members of the genus ''Musseromys'', they are small murids weighing between 15 and 22 grams. They have tails (82 - 101 mm) usually longer than the rest of their bodies (74 - 84 mm). Two adult specimens were collected, now in the collections of the Field Museum of Natural History (FMNH): * an adult male (♂) (FMNH 193839, holotype) * an adult female (♀) (FMNH 193840). Their measurements are as follows :

Conservation

Data on this species endemic to the Philippines is, as of now, known from only one location. This particularity, alongside a lack of knowledge on the repartition and abundance of the species, brought the IUCN to assess the Amuyao tree-mouse as " Data Deficient".

References

Musseromys Mammals described in 2014 Mammals of the Philippines Endemic fauna of the Philippines {{Muridae-stub