Reithrodontomys brevirostris, Goodwin, 1943

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 : 367

217.

Short-nosed Harvest Mouse

Reithrodontomys brevirostris

French: Souris-moissonneuse a nez court / German: Kurznasen-Erntemaus / Spanish: Ratén espiguero de hocico corto

Taxonomy. Reithrodontomys brevirostris Goodwin, 1943 , canyons above Villa Quesada, 5000 ft. (= 1524 m), Alajuela Province, Costa Rica.

Reithrodontomys mexicanus potrerograndei is recognized as a subjective junior synonym of R. brevirostris . Reithrodontomys brevirostris is in subgenus Aporodon. Two subspecies recognized.

Subspecies and Distribution.

R.b.brevirostrisGoodwin,1943—knownonlyfromtwodisjunctareasintheCordilleraCentralofNC&SECostaRica.

R. b. nicaraguae]. K. Jones & Genoways, 1970 — known only from the type locality and surrounding regions of the Cordillera Dariense in NC Nicaragua.

Descriptive notes. Head-body 62-69 mm, tail 97-114 mm, ear 14-16 mm, hindfoot 16-19 mm; weight 11-16 g. The Short-nosed Harvest Mouse is small to medium-sized, with dense, long, and lax pelage characteristic of some species in subgenus Aporodon. Dorsum is dark, with ocherous color along sides; venter is lighter. Hindfoot has characteristic wedge-shaped dusky area that extends to bases of toes. Tail is long relative to head-body length. Skull is small, and rostrum is short and narrow.

Habitat. Cloud forest areas of the Cordillera Central in central Costa Rica and Cordillera Dariensis in north-central Nicaragua. In both areas, Short-nosed Harvest Mice were collected in areas cleared for cultivation of coffee plants, near bases of broadleafed native trees. They also were collected in deep rocky canyons.

Food and Feeding. No information.

Breeding. Reproductively active males were collected in June-July, and pregnantfemales were captured in June.

Activity patterns. The Short-nosed Harvest Mouse is presumably nocturnal.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Least Concern on The IUCN Red Lust.

Bibliography. Gardner & Carleton (2009), Goodwin (1943, 1946), Hooper (1952a), Jones & Baldassarre (1982), Jones & Genoways (1970).

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)

Subspecies and Distribution. R.b.brevirostrisGoodwin,1943—knownonlyfromtwodisjunctareasintheCordilleraCentralofNC&SECostaRica. R. b. nicaraguae]. K. Jones & Genoways, 1970 — known only from the type locality and surrounding regions of the Cordillera Dariense in NC Nicaragua.