Sierra Madre tree-mouse

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Sierra Madre tree-mouse
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Muridae
Genus: Musseromys
M. anacuao
Binomial name
Musseromys anacuao
Heaney, Balete, Rickart, Veluz & Jansa, 2014[2]

The Sierra Madre tree-mouse (Musseromys anacuao)[3] is a species of rodent in the family Muridae.[1] It is found in the forest of the northern Sierra Madre in Luzon, Philippines.[1][2]


As for all members of the genus Musseromys, they are small murids weighing between 15 and 22 grams.[2] They have tails (82 - 101 mm) usually longer than the rest of their bodies (74 - 84 mm).[2]

Two adult specimens were collected, now in the collections of the Field Museum of Natural History (FMNH):

  • an adult female (♀) (FMNH 209522, holotype),
  • an adult male (♂) (FMNH 209523).[2]

Their measurements are as follows :

Measurements of the holotype (adult ♀) and 1 other specimen (adult ♂) of Musseromys anacuao[2]
Attribute FMNH 209522 (holotype, ♀) FMNH 209523 (♂)
Head-body length (mm) 83 74
Tail length (mm) 82 86
Weight (g) 21 17


Data on this species endemic to the Philippines is, as of now, known from only one location.[2] This particularity, alongside a lack of knowledge on habitats and potential threats of the species, brought the IUCN to assess the Sierra Madre tree-mouse as "Data Deficient".[1]


  1. ^ a b c d Dando, T.; Kennerly, R. (2019). "Musseromys anacuao". IUCN Red List of Threatened Species. 2019: e.T112041975A112041978. doi:10.2305/IUCN.UK.2019-1.RLTS.T112041975A112041978.en.
  2. ^ a b c d e f g Heaney, Lawrence R.; Balete, Danilo S.; Rickart, Eric A.; Veluz, Maria Josefa; Jansa, Sharon A. (16 May 2014). "Three New Species of Musseromys (Muridae, Rodentia), the Endemic Philippine Tree Mouse from Luzon Island". American Museum Novitates (3802): 1–27. doi:10.1206/3802.1. S2CID 53542249. Retrieved 8 February 2023.
  3. ^ "Musseromys anacuao". ASM Mammal Diversity Database. American Society of Mammalogists. Retrieved 8 February 2023.