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Big-eared climbing rat
The big-eared climbing rat (''Ototylomys phyllotis'') is a species of rodent in the family Cricetidae. It is found in Belize, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, and Nicaragua.
== Description ==
The big-eared climbing rat is in the order Rodentia and in the family Cricetidae and is the only extant species in the genus Ototylomys. This genus dates back 3.35 Mya, prior to the Great American Biotic Interchange and Its initial occurrence was near Honduras and El Salvador. (GUTIÉRREZ-GARCÍA "Biogeographically dynamic genetic structure bridging two continents in the monotypic Central American rodent Ototylomys phyllotis" 1)
Ototylomys is Greek for otus (ear) tylos (knob, knot, swelling), and mus (mouse), which describes the animals large ears and shelf-like skull. (Lawlor "A Systematic Study Of The Rodent Genus Ototylomas" 1-3)
The big-eared climbing rat is a slender rat with two colors; dark on top of its body and light below. Its eyes and ears are large. It has large naked ears and a long naked tail with scales. Its size and color varies depending on where it lives geographically but most populations have a creamy white underbelly except for those in Mexico and Guatemala, which have a slate-colored underbelly. The skull is flat on top and has a prominent interparietal bone and supraorbital ridges There is no sexual dimorphism in this species. (Lawlor Ototylomys phyllotis 1-3)
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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