Oxymycterus inca, Thomas, 1900

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 : 465-466

529.

Inca Hocicudo

Oxymycterus inca

French: Hocicudo inca / German: Inka-Grabmaus / Spanish: Ratén hocicudo de los Incas

Taxonomy. Oxymycterus inca Thomas, 1900 , “Perené, Ucayali watershed, Department ofJunin, E. Peru. Altitude 800 m. ” Two subspecies are recognized.

Subspecies and Distribution.

O.i.incaThomas,1900—EPeru,WBolivia,andadjacentWBrazil.

O. i. iris Thomas, 1901 — La Paz Department, Bolivia.

Descriptive notes. Head-body 135-184 mm, tail 85-122 mm, ear 19-23 mm, hindfoot 29—-35 mm. No specific data are available for body weight. See general characters of the genus under the Amazonian Hocicudo ( O. amazonicus ) account. The Inca Hocicudo is a moderately large species of Oxymycterus . Dorsum is reddish brown, grizzled with black on crown and along midline; sides are paler. Venter is predominantly dark orange, with pale banded hairs extending along undersurfaces of forelimbs, with clear strip of yellowish orange hair extending to wrists. Forefeet, hindfeet, and tail are dark brown; tail is dark brown on both surfaces and covered by short dark brown hair.

Habitat. Mainly lowland cerrado, mixed forest, Yungas forest, and montane forest at elevations of ¢.400-2500 m. The Inca Hocicudois also related to presence of bamboo in forest habitats and disturbed areas such as regrowth after logging.

Food and Feeding. No information.

Breeding. Female Inca Hocicudos collected in June were either lactating or had placental scars from 4-6 embryos; males collected in the same period had scrotaltestes.

Activity patterns. The Inca Hocicudo is diurnal.

Movements, Home range and Social organization. No information.

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

Bibliography. Abreu-Junior et al. (2016), Anderson (1997), Dunnum & Vivar (2016), Hershkovitz (1944), Hinojosa et al. (1987), Musser & Carleton (2005), Oliveira (1998), Oliveira & Goncalves (2015), Solari, Pacheco et al. (2006), Solari, Vivar et al. (2001).

Figures

523. Huanchaca Burrowing Mouse (Juscelinomys huanchacae), 524. Candango Burrowing Mouse (Juscelinomys candango), 525. Amazonian Hocicudo (Oxymycterus amazonicus), 526. Spy Hocicudo (Oxymycterus delator), 527. Atlantic Forest Hocicudo (Oxymycterus dosytrichos), 528. Quaestor Hocicudo (Oxymycterus quaestor), 529. Inca Hocicudo (Oxymycterus inca), 530. Paramo Hocicudo (Oxymycterus paramensis), 531. Elfin Forest Hocicudo (Oxymycterus nigrifrons), 532. Upper Yungas Inca Hocicudo (Oxymycterus juliacae), 533. Small Yungas Hocicudo (Oxymycterus hiska), 534. Quechuan Hocicudo (Oxymycterus hucucha), 535. Mount Caparao Hocicudo (Oxymycterus caparoae), 536. Red Hocicudo (Oxymycterus rufus), 537. Darwin’s Hocicudo (Oxymycterus nasutus), 538. Ravine Hocicudo (Oxymycterus wayku), 539. Cook’s Hocicudo (Oxymycterus joser), 540. Common Cerrado Mouse (Thalpomys cerradensis), 541. Hairy-eared Cerrado Mouse (Thalpomys lasiotis), 542. Roraima Mouse (Podoxymys roraimae), 543. Blackish Grass Mouse (Thaptomys nigrita), 544. Ecuadorean Akodont (Necromys punctulatus), 545. Northern Akodont (Necromys urichi), 546. Hairy-tailled Akodont (Necromys lasiurus), 547. Pleasant Akodont (Necromys amoenus), 548. White-chinned Akodont (Necromys lactens), 549. Lillo’s Akodont (Necromys lilloi), 550. Dark-furred Akodont (Necromys obscurus), 551. Kemp's Grass Mouse (Deltamys kempi), 552. Araucaria Grass Mouse (Deltamys araucaria), 553. Serra do Mar Grass Mouse (Castoria angustidens)

Subspecies and Distribution. O.i.incaThomas,1900—EPeru,WBolivia,andadjacentWBrazil. O. i. iris Thomas, 1901 — La Paz Department, Bolivia.