Euryoryzomys russatus (Wagner, 1848)

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 : 425

publication ID	https://doi.org/ 10.5281/zenodo.6707142
DOI	https://doi.org/10.5281/zenodo.6728063
persistent identifier	https://treatment.plazi.org/id/03F06D13-FF3C-20F5-0D9F-15E90CE1F973
treatment provided by	Carolina
scientific name	Euryoryzomys russatus
status

Treatment

406. View Plate 20: Cricetidae

Russet Rice Rat

Euryoryzomys russatus View in CoL

French: Oryzomys roux / German: Rostbraune Reisratte / Spanish: Rata arrocera bermeja

Other common names: Russet Euryoryzomys, Russet Oryzomys

Taxonomy. Hesperomys russatus Wagner, 1848 , Ipanema, Sao Paulo, Brazil.

This species is monotypic.

Distribution. E Brazil (from Ceara S to N Rio Grande do Sul states), E Paraguay, and NE Argentina (Misiones Province). View Figure

Descriptive notes. Head-body 98-179 mm, tail 99-181 mm, ear 18-5-25 mm, hindfoot 28-5-40 mm; weight 20-100 ¢g (mean 60 g). The Russet Rice Rat is very similar to the Elegant Rice Rat (FE. nitidus ), but it has greater external and cranial dimensions. Compared with the Elegant Rice Rat, the Russet Rice Rat has longer and brighter dorsal pelage, shorter incisive foramina, and small sphenopalatine vacuities.

Habitat. Forested coastal plains, evergreen semideciduous forest of coastal highlands, and coastal islands.

Food and Feeding. Diet of the Russet Rice Rat contains fruit, vegetal matter, and arthropods.

Breeding. The Russet Rice Rat breeds year-round. Females reaches sexual maturity at c.115 days old and can have more than 6 litters/year.

Activity patterns. Trapping data suggests that the Russet Rice Rat is nocturnal and terrestrial.

Movements, Home range and Social organization. Home ranges are 0-16-1-1 ha; average of density is 5-3 ind/ha. The Russet Rice Rat uses dry leaves and grass to build egg-shaped nests around fallen logs and aerial roots.

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

Bibliography. Bergallo (1994), Bovendorp et al. (2017), Briani et al. (2001), Libardi & Percequillo (2016), Musser & Carleton (2005), Pardini (2004), Percequillo (2015d), Percequillo, Weksler, Langguth et al. (2016).

Figures

353. Bogota Grass Mouse (Neomicroxus bogotensts), 354. Ecuadorean Grass Mouse (Neomucroxus latebricola), 355. Altiplano Chinchilla Mouse (Chinchillula sahamae), 356. Small Red-nosed Tree Mouse (Juliomys pictipes), 357. Delicate Red-nosed Tree Mouse (Juliomys ossitenuis), 358. Montane Red-rumped Tree Mouse (Juliomys rimofrons), 359. Araucaria Forest Tree Mouse (Juliomys ximenezi), 360. Ruschi’s Spiny Mouse (Abrawayaomys ruschii), 361. Chebez’s Spiny Mouse (Abrawayaomys chebezi), 362. Montane Atlantic Forest Rat (Delomys altimontanus), 363. Pallid Atlantic Forest Rat (Delomys sublineatus), 364. Striped Atlantic Forest Rat (Delomys dorsalis), 365. North-western Conyrat (Reithrodon caurinus), 366. Naked-soled Conyrat (Reithrodon typicus), 367. Hairy-soled Conyrat (Reithrodon awritus), 368. Short-tailed Cane Mouse (Zygodontomys brevicauda), 369. Colombian Cane Mouse (Zygodontomys brunneus), 370. Ucayali South American Spiny Mouse (Scolomys ucayalensts), 371. Gray South American Spiny Mouse (Scolomys melanops), 372. Boquete Rice Rat (Nephelomys devius), 373. Santa Marta Rice Rat (Nephelomys maculiventer), 374. Mount Pirre Rice Rat (Nephelomys pirrensis), 375. Western Colombian Rice Rat (Nephelomys pectoralis), 376. Coastal Cordilleran Rice Rat (Nephelomys caracolus), 377. Merida Rice Rat (Nephelomys meridensis), 378. Child’s Rice Rat (Nephelomys childi), 379. White-throated Rice Rat (Nephelomys albigularis), 380. Greater Golden-bellied Rice Rat (Nephelomys aurirventer), 381. Gray-bellied Rice Rat (Nephelomys moerex), 382. Lesser Golden-bellied Rice Rat (Nephelomys nimbosus), 383. Keays’s Rice Rat (Nephelomys keaysi), 384. Nimble-footed Rice Rat (Nephelomys levipes), 385. Hammond's Rice Rat (Mindomys hammondi), 386. White-bellied Arboreal Rice Rat (Oecomys bicolor), 387. Yellow Arboreal Rice Rat (Oecomys flavicans), 388. Savanna Arboreal Rice Rat (Oecomys speciosus), 389. Long-furred Arboreal Rice Rat (Oecomys trinitatis), 390. Robert's Arboreal Rice Rat (Oecomys robert), 391. Unicolored Arboreal Rice Rat (Oecomys concolor), 392. Guianan Arboreal Rice Rat (Oecomys awyantepui), 393. King Arboreal Rice Rat (Oecomys rex), 394. Red Arboreal Rice Rat (Oecomys rutilus), 395. Brazilian Arboreal Rice Rat (Oecomys paricola), 396. Foothill Arboreal Rice Rat (Oecomys superans), 397. Dusky Arboreal Rice Rat (Oecomys phaeotis), 398. Mamore Arboreal Rice Rat (Oecomys mamorae), 399. Anderson’s Arboreal Rice Rat (Oecomys sydandersoni), 400. Franciscos’ Arboreal Rice Rat (Oecomys franciscorum), 401. Atlantic Forest Arboreal Rice Rat (Oecomys catherinae), 402. Cleber’s Arboreal Rice Rat (Oecomys cleber), 403. McConnell’s Rice Rat (Euryoryzomys macconnelli), 404. Emmons’s Rice Rat (Euryoryzomys emmonsae), 405. Big-headed Rice Rat (Euryoryzomys legatus), 406. Russet Rice Rat (Euryoryzomys russatus), 407. Bufty-sided Rice Rat (Euryoryzomys lamia), 408. Elegant Rice Rat (Euryoryzomys nitidus), 409. Long-whiskered Rice Rat (Transandinomys bolivaris), 410. Talamancan Rice Rat (Transandinomys talamancae), 411. Long-nosed Rice Rat “ Handleyomys (™ rostratus), 412. Chapman’s Rice Rat “ Handleyomys (” chapman), 413. Black-eared Rice Rat “ Handleyomys (™ melanotis), 414. Guerrero Rice Rat “ Handleyomys (™ guerrerensis), 415. Cloud Forest Rice Rat “ Handleyomys (” saturatior), 416. Highland Rice Rat “ Handleyomys (” rhabdops), 417. Alfaro’s Rice Rat “ Handleyomys (” alfaroi), 418. Colombian Western Andes Cloud Forest Mouse (Handleyomys fuscatus), 419. Colombian Central Andes Cloud Forest Mouse (Handleyomys intectus)