Reithrodontomys tenuirostris, Merriam, 1901

Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr, 2017, Cricetidae, Handbook of the Mammals of the World – Volume 7 Rodents II, Barcelona: Lynx Edicions, pp. 204-535 : 369

225.

Narrow-nosed Harvest Mouse

Reithrodontomys tenuirostris

French: Souris-moissonneuse a nez aigu / German: Schmalnasen-Erntemaus / Spanish: Raton espiguero de hocico estrecho

Taxonomy. Reithrodontomys tenuirostris Merriam, 1901 , “Todos Santos, Guatemala (altitude 10,000 ft. [= 3048 m]).”

Reithrodontomys tenuirostris is in subgenus Aporodon. Monotypic.

Distribution. Extreme SE Mexico (Chiapas State) and SC Guatemala.

Descriptive notes. Head-body 80-124 mm, tail 120-129 mm, ear 15-17 mm, hindfoot 20-25 mm; weight 18-23 g. The Narrow-nosed Harvest Mouse is one of the largest species of Reithrodontomys . Dorsal pelage is long and dense, ranging from rich orange to a more reddish color. Numerous black guard hairs give the Narrow-nosed Harvest Mouse a dark appearance. Venter is pinkish cinnamon. Eyes have black rings, and ears have a blackish shade. Skull is characterized by long narrow nasal bones, in contrast to other species of Reithrodontomys .

Habitat. Wet, temperate habitats, such as evergreen cloud forests, generally at elevations of 2800-2910 m.

Food and Feeding. No information.

Breeding. No information.

Activity patterns. The Narrow-nosed Harvest Mouse is presumably nocturnal and might be semi-arboreal or even arboreal.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Vulnerable on The IUCN Red List.

Bibliography. Arellano & Rogers (1994), Hall (1981), Hooper (1952a), Merriam (1901b), Sanchez (2014d).

Figures

208. Golden Mouse (Ochrotomys nuttalli), 209. Southern Pygmy Mouse (Baiomys musculus), 210. Northern Pygmy Mouse (Baiomys taylori), 211. Short-tailed Singing Mouse (Scotinomys teguina), 212. Long-tailed Singing Mouse (Scotinomys xerampelinus), 213. Yellow Deermouse (Isthmomys flavidus), 214. Mount Pirr 1 Deermouse (Isthmomys pirrensis), 215. Florida Deermouse (Podomys floridanus), 216. Volcano Deermouse (Neotomodon alstoni), 217. Short-nosed Harvest Mouse (Reithrodontomys brevirostris), 218. Darien Harvest Mouse (Reithrodontomys darienensis), 219. Slender Harvest Mouse (Reithrodontomys gracilis), 220. Mexican Harvest Mouse (Reithrodontomys mexicanus), 221. Nicaraguan Harvest Mouse (Reithrodontomys paradoxus), 222. Cozumel Harvest Mouse (Reithrodontomys spectabilis), 223. Talamancan Harvest Mouse (Reithrodontomys creper), 224. Rodriguez's Harvest Mouse (Reithrodontomys rodriguez), 225. Narrow-nosed Harvest Mouse (Reithrodontomys tenuirostris), 226. Small-toothed Harvest Mouse (Reithrodontomys microdon), 227. Costa Rican Harvest Mouse (Reithrodontomys cherrii), 228. Chiriquian Harvest Mouse (Reithrodontomys garichensis), 229. Musser’s Harvest Mouse (Reithrodontomys musser), 230. Baker’s Harvest Mouse (Reithrodontomys baker), 231. Fulvous Harvest Mouse (Reithrodontomys fulvescens), 232. Hairy Harvest Mouse (Reithrodontomys hirsutus), 233. Sonoran Harvest Mouse (Reithrodontomys burt), 234. Volcano Harvest Mouse (Reithrodontomys chrysopsis), 235. Eastern Harvest Mouse (Reithrodontomys humulis), 236. Western Harvest Mouse (Reithrodontomys megalotis), 237. Plains Harvest Mouse (Reithrodontomys montanus), 238. Salt-marsh Harvest Mouse (Reithrodontomys raviventris), 239. Sumichrast’s Harvest Mouse (Reithrodontomys sumichrasti), 240. Zacatecan Harvest Mouse (Reithrodontomys zacatecae), 242. Northern Grasshopper Mouse (Onychomys leucogaster), 243. Southern Grasshopper Mouse (Onychomys torridus), 244. Osgood’s Deermouse (Osgoodomys banderanus)

Distribution. Extreme SE Mexico (Chiapas State) and SC Guatemala.