Nesoryzomys fernandinae, Hutterer & Hirsch, 1979

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 : 454-455

publication ID

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

DOI

https://doi.org/10.5281/zenodo.6727799

persistent identifier

https://treatment.plazi.org/id/03F06D13-FF01-20D7-08B7-1C200B32FE19

treatment provided by

Carolina

scientific name

Nesoryzomys fernandinae
status

 

494. View Plate 24: Cricetidae

Small Fernandina Galapagos Mouse

Nesoryzomys fernandinae View in CoL

French: Oryzomys de Fernandina / German: Kleine Fernandina-Galapagosratte / Spanish: Raton de Galapagos de Fernandina pequeno

Other common names: Small Fernandina Nesoryzomys

Taxonomy. Nesoryzomys fernandinae Hutterer & Hirsch, 1980 View in CoL , Fernandina [= Narborough] Island, Galapagos Islands, Ecuador.

This species is monotypic.

Distribution. Restricted to Fernandina I, Galapagos Is. View Figure

Descriptive notes. Head-body 100-121 mm, tail 77-100 mm, ear 15-19 mm, hindfoot 21-27 mm; weight 22-63 ¢ (mean male 38 g, mean female 27 g). The Small Fernandina Galapagos Mouse is a small species of Nesoryzomys . Males are slightly larger and heavier than females. Dorsum is dark brown. Back hairs are bicolored or tricolored, always with gray bases. Venteris paler than dorsum. Mystical vibrissae are long and project beyond ears. Ears are large and obvious, naked in appearance but covered with fine hair. Tail is bicolored and well-haired. Feet are dark brown, with few light hairs. Subauricular patch is white and usually present.

Habitat. Coastal sites with saltbush ( Cryptocarpus pyriformis, Nyctaginaceae ) but more abundant on higher rocky areas dominated by large Scalesia microcephala, Darwiniothamnus tenuifolius, both Asteraceae , and mixed grasses. The Small Fernandina Galapagos Mouse is apparently absent in areas dominated by mangroves.

Food and Feeding. The Small Fernandina Galapagos Mouse is supposedly insectivorous and complements its diet with vegetation.

Breeding. Reproduction is apparently limited to the rainy season (January-April).

Activity patterns. The Small Fernandina Galapagos Mouse is terrestrial and nocturnal.

Movements, Home range and Social organization. Small Fernandina Galapagos Mice are solitary.

Status and Conservation. Classified as Vulnerable on The IUCN Red List.

Bibliography. Dowler (2015), Dowler & Carroll (1996), Dowler et al. (2000), Heller (1904), Hutterer & Hirsch (1979), Hutterer & Peters (2010), Johnson (2009), Key & Munoz (1994), Musser & Carleton (2005), Patton & Hafner (1983), Tirira (2017), Tirira, Dowler et al. (2008b).

Kingdom

Animalia

Phylum

Chordata

Class

Mammalia

Order

Rodentia

Family

Cricetidae

Genus

Nesoryzomys

Loc

Nesoryzomys fernandinae

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

Nesoryzomys fernandinae

Hutterer & Hirsch 1980
1980
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