Chrotomys
This vermivory is probably the result of a rat-like animal moving into an ecological niche usually filled by shrews.Shrews and other insectivores are absent on these Philippine islands.Rickart et al. (2005) found that C. mindorensis, C. whiteheadi, and C. gonzalesi are closely related whereas C. silaceus and C. sibuyanensis represent earlier offshoots of the genus.Several authors place C. silaceus in the genus Celaenomys, but Rickart et al. (2005) suggest that neither genetic nor morphometric distance warrant it.These rats are considered "old endemics" and are probably the result of one of the first colonisations of the Philippine islands.
Luzon striped ratScientific classificationEukaryotaAnimaliaChordataMammaliaRodentiaMuridaeMurinaeThomasType speciesChrotomys whiteheadiChrotomys mindorensisChrotomys gonzalesiChrotomys silaceusChrotomys sibuyanensisrodentsPhilippinesMindoroSibuyanherbivorousomnivorousmurinesinvertebratesecological nicheshrewsgeneticmorphometricMindoro striped ratIsarog striped shrew-ratBlazed Luzon shrew-ratSibuyan striped shrew-ratcytochrome bmorphologyChordateEuarchontogliresAethomysBocage's rock rat (A. bocagei)red rock rat (A. chrysophilus)Grant's rock mouse (A. (Micaelamys) granti)Hinde's rock rat (A. hindei)Tete veld aethomys (A. ineptus)Kaiser's rock rat (A. kaiseri)Namaqua rock rat (A. (Micaelamys) namaquensis)Nyika rock rat (A. nyikae)Selinda veld rat (A. silindensis)Tinfields rock rat (A. stannarius)Thomas's rock rat (A. thomasi)Apodemusstriped field mouse (A. agrarius)Alpine field mouse (A. alpicola)small Japanese field mouse (A. argenteus)A. avicennicusChevrier's field mouse (A. chevrieri)South China field mouse (A. draco)Western broad-toothed field mouse (A. epimelas)yellow-necked mouse (A. flavicollis)Himalayan field mouse (A. gurkha)Caucasus field mouse (A. hyrcanicus)Sichuan field mouse (A. latronum)Eastern broad-toothed field mouse (A. mystacinus)Ward's field mouse (A. pallipes)Korean field mouse (A. peninsulae)Black Sea field mouse (A. ponticus)Kashmir field mouse (A. rusiges)Taiwan field mouse (A. semotus)large Japanese field mouse (A. speciosus)wood mouse (A. sylvaticus)Ural field mouse (A. uralensis )Steppe field mouse (A. witherbyi)TokudaiaMuennink's spiny rat (T. muenninki)Ryukyu spiny rat (T. osimensis)Tokunoshima spiny rat (T. tokunoshimensis)ArvicanthisAbyssinian grass rat (A. abyssinicus)Sudanian grass rat (A. ansorgei)Blick's grass rat (A. blicki)Nairobi grass rat (A. nairobae)Neumann's grass rat (A. neumanni)African grass rat (A. niloticus)Guinean grass rat (A. rufinus)DesmomysHarrington's rat (D. harringtoni)Yalden's rat (D. yaldeni)LemniscomysBarbary striped grass mouse (L. barbarus)Bellier's striped grass mouse (L. bellieri)Griselda's striped grass mouse (L. griselda)Hoogstraal's striped grass mouse (L. hoogstraali)Senegal one-striped grass mouse (L. linulus)Buffoon striped grass mouse (L. macculus)Mittendorf's striped grass mouse (L. mittendorfi)single-striped grass mouse (L. rosalia)Rosevear's striped grass mouse (L. roseveari)typical striped grass mouse (L. striatus)Heuglin's striped grass mouse (L. zebra)MylomysAfrican groove-toothed rat (M. dybowskii)Ethiopian mylomys (M. rex)PelomysBell groove-toothed swamp rat (P. campanae)Creek groove-toothed swamp rat (P. fallax)Hopkins's groove-toothed swamp rat (P. hopkinsi)Issel's groove-toothed swamp rat (P. isseli)least groove-toothed swamp rat (P. minor)RhabdomysR. dilectusfour-striped grass mouse (R. pumilio)ApomysLuzon Cordillera forest mouse (A. abrae)Luzon Aurora forest mouse (A. aurorae)Mount Banahaw forest mouse (A. banahao)Mount Tapulao forest mouse (A. brownorum)Camiguin forest mouse (A. camiguinensis)Luzon montane forest mouse (A. datae)large Mindoro forest mouse (A. gracilirostris)Mount Apo forest mouse (A. hylocoetes)Mindanao montane forest mouse (A. insignis)Mount Irid forest mouse (A. iridensis)Mindanao lowland forest mouse (A. littoralis)Lubang forest mouse (A. lubangensis)Luzon giant forest mouse (A. magnus)small Luzon forest mouse (A. microdon)Mount Mingan forest mouse (A. minganensis)least forest mouse (A. musculus)