Aegialomys baroni (J. A. Allen, 1897)

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 : 455-456

publication ID

https://doi.org/ 10.5281/zenodo.6707142

DOI

https://doi.org/10.5281/zenodo.6727803

persistent identifier

https://treatment.plazi.org/id/03F06D13-FF1E-20D6-089E-1EF60C69FC97

treatment provided by

Carolina

scientific name

Aegialomys baroni
status

 

498. View Plate 24: Cricetidae

Baron's Rice Rat

Aegialomys baroni

French: Oryzomys de Baron / German: Baron-Reisratte / Spanish: Rata arrocera de Baron

Other common names: Baron's Aegialomys

Taxonomy. Oryzomys baron i J. A. Allen, 1897 , Malca, Cajabamba, Peru.

This species is monotypic.

Distribution. S Ecuador to NC Peru, from Pacific coast to W foothills of Andes. View Figure

Descriptive notes. Head-body 130 mm, tail 137-172 mm, hindfoot 27-33 mm, ear 18-23 mm. No specific data are available for body weight. Fur of Baron’s Rice Rat is soft, dense, lax, and long, with yellowish wool and cover hairs and brown guard hairs. Dorsum is yellowish cream, lightly grizzled with brown, resulting in grayish yellow color; venter is grayish. Tail is longer than head-body length (119%), bicolored dorso-ventrally, and covered by very long hairs, with very small scales and c.23 scales/ cm. Dorsal surface of hindfoot is densely covered by long and white hair. Plantar pads are fleshy, including thenar and hypothenar. Ears are covered internally and externally with brown hair with yellowish apex. Chromosomal complement is 2n = 56, FN = 58.

Habitat. Arid habitats on Ecuadorean and Peruvian coasts, including extremely dry areas to humid forests, in areas of grass and steppe, lomas, and coastal wetlands. In Ecuador, Baron’s Rice Rat inhabits a transition zone between wetland forest and extremely dry areas.

Food and Feeding. No information.

Breeding. No information.

Activity patterns. Baron’s Rice Rat is nocturnal.

Movements, Home range and Social organization. No information.

Status and Conservation. Not assessed on The [UCN Red List as a distinct species. [UCN considers it conspecific with the Yellowish Rice Rat (A. xanthaeolus ), which is classified as Least Concern.

Bibliography. Allen (1897c¢), Prado & Percequillo (2016, 2017), Uturunco & Pacheco (2016).

Kingdom

Animalia

Phylum

Chordata

Class

Mammalia

Order

Rodentia

Family

Cricetidae

Genus

Aegialomys

Loc

Aegialomys baroni

Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr 2017
2017
Loc

Oryzomys baron i

J. A. Allen 1897
1897
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