Reithrodontomys paradoxus, J. K. Jones & Genoways, 1970

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 : 368

221.

Nicaraguan Harvest Mouse

Reithrodontomys paradoxus

French: Souris-moissonneuse du Nicaragua / German: Nicaragua-Erntemaus / Spanish: Raton espiguero de Nicaragua

Taxonomy. Reithrodontomys paradoxus J. K. Jones & Genoways, 1970 , 3 mi (= 5 km) NNW Diriamba, ¢. 660 m, Carazo Dept., Nicaragua.

Reithrodontomys paradoxus is in subgenus Aporodon. Monotypic.

Distribution. Known only from isolated records in SW Nicaragua and WC Costa Rica.

Descriptive notes. Head-body 71-72, tail 96-101 mm, ear 13 mm, hindfoot 18 mm; for two individuals from the type locality. No specific data are available for body weight. The Nicaraguan Harvest Mouse is small; dorsum is buffy brown, infused with ocherous hairs; sides are ocherous; and venter is white. Hindfoot has characteristic wedgeshaped dusky area that extends to bases of toes. Tail is long relative to head-body length. Skull resembles that of the Short-nosed Harvest Mouse ( R. brevirostris ), but it is longer and less inflated.

Habitat. Foothills in south-western Nicaragua and west-central Costa Rica.

Food and Feeding. No information.

Breeding. No information.

Activity patterns. The Nicaraguan Harvest Mouse is presumably nocturnal.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Data Deficient on The IUCN Red List.

Bibliography. 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)

Distribution. Known only from isolated records in SW Nicaragua and WC Costa Rica.