Peromyscus pseudocrinitus, Burt, 1932

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 : 380

256.

Coronados Deermouse

Peromyscus pseudocrinitus

French: Péromyscus des Coronados / German: Coronados-Hirschmaus / Spanish: Ratén ciervo de Coronados

Other common names: False Canyon Mouse

Taxonomy. Peromyscus pseudocrinitus Burt, 1932 , “Coronados Island (latitude 26° 06° N., longitude 111° 18’ W.), Gulf of California, Lower [= Baja] California, Mexico.”

Peromyscus pseudocrinitus is in the eremicus species group. Monotypic.

Distribution. Coronado Is, Baja California Sur , Mexico.

Descriptive notes. Head-body 84 mm, tail 110 mm, ear 16 mm, hindfoot 21 mm (averages from six adults). No specific data are available for body weight. The Coronados Deermouse is small to medium-sized, with plumbeous black dorsum, washed with cinnamon. Venter is white. Tail is bicolored (dark above and light below) over proximal two-thirds of its length and scantily haired. Skull is similar to that of the Canyon Deermouse ( P. crinitus ), but longer (average length 25-6 mm) and with smaller auditory bullae. The Coronados Deermouse has been associated with subgenus Peromyscus based on teeth characteristics, but baculum, glans, and other external characters are very similar to those of the Cactus Deermouse ( P. eremicus ) and members of subgenus Haplomylomys .

Habitat. Xeric scrubland vegetation (chollas, cardones, and other cacti), coastal dunes, and tropical deciduous forests (along volcanic cone) from sea level to an elevation of 283 m.

Food and Feeding. Coronados Deermice probably feed on seeds,fleshy parts of plants, and insects.

Breeding. No information.

Activity patterns. The Coronados Deermouse is presumably nocturnal.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Critically Endangered on The IUCN Red List.

Bibliography. Alvarez-Castafieda (1998), Bourillon et al. (1988), Burt (1932, 1960), Hall (1981), Lawlor (1971a, 1971b), Musser & Carleton (2005), Ramirez & Avila (2014b).

Figures

245. Hooper's Deermouse (Peromyscus hooper), 246. Canyon Deermouse (Peromyscus crinitus), 247. California Deermouse (Peromyscus californicus), 248. Merriam’s Deermouse (Peromyscus merriami), 249. Cactus Deermouse (Peromyscus eremicus), 250. San Lorenzo Deermouse (Peromyscus interparietalis), 251. Southern Baja Deermouse (Peromyscus eva), 252. Northern Baja Deermouse (Peromyscus fraterculus), 253. Monserrat Island Deermouse (Peromyscus caniceps), 254. Dickey’s Deermouse (Peromyscus dickeyi), 255. La Guarda Deermouse (Peromyscus guardia), 256. Coronados Deermouse (Peromyscus pseudocrinitus), 257. Cotton Deermouse (Peromyscus gossypinus), 258. White-footed Deermouse (Peromyscus leucopus), 259. Santa Cruz Deermouse (Peromyscus sejugis), 260. North-western Deermouse (Peromyscus keeni), 261. Oldfield Deermouse (Peromyscus polionotus), 262. North American Deermouse (Peromyscus maniculatus), 264. Black-tailed Deermouse (Peromyscus melanurus), 265. Broad-faced Deermouse (Peromyscus megalops), 266. Black-wristed Deermouse (Peromyscus melanocarpus), 267. Catalina Deermouse (Peromyscus slevini), 268. Tawny Deermouse (Peromyscus perfulvus), 269. Plateau Deermouse (Peromyscus melanophrys), 270. Puebla Deermouse (Peromyscus mekisturus), 271. Mayan Deermouse (Peromyscus mayensis), 272. Stirton’s Deermouse (Peromyscus stirtoni), 273. Yucatan Deermouse (Peromyscus yucatanicus), 274. Chimoxan Deermouse (Peromyscus tropicalis), 275. Talamancan Deermouse (Peromyscus nudipes), 276. Mexican Deermouse (Peromyscus mexicanus), 277. Naked-eared Deermouse (Peromyscus gymnotis), 278. Chiapan Deermouse (Peromyscus zarhynchus), 279. Gardner’s Deermouse (Peromyscus gardneri), 280. Nicaraguan Deermouse (Peromyscus nicaraguae), 281. Salvadorean Deermouse (Peromyscus salvadorensis), 282. Guatemalan Deermouse (Peromyscus guatemalensis), 283. Large Deermouse (Peromyscus grandis)

Distribution. Coronado Is, Baja California Sur , Mexico.