Rio de Janeiro rice rat

Phaenomys ferrugineus

TAXONOMY

Phaenomys ferrugineus (Thomas, 1984), Rio de Janeiro, Brazil. Formerly placed in the Thomasomyine tribe.

OTHER COMMON NAMES Portuguese: Rato do mato ferrugineo.

PHYSICAL CHARACTERISTICS

Measurements of the holotype: total length 13.2 in (335 mm), tail length 7.4 in (187 mm), hindfoot length 1.3 in (34 mm), ear length 0.7 in (17 mm). Pelage is dorsally rust-colored, cheeks and sides are lighter, and the underparts are whitish. Ears are small and well furred. The tail is unicolored, dark gray.

DISTRIBUTION

Known only from three localities in the Brazilian states of Rio de Janeiro and San Pablo.

HABITAT

One specimen collected in 1998 was trapped in herbaceous vegetation in an area that is considerably altered for agriculture and pasture. The collection site is in a valley surrounded by forested hills that have been selectively logged.

BEHAVIOR

Nothing is known.

FEEDING ECOLOGY AND DIET

Nothing is known.

REPRODUCTIVE BIOLOGY

Nothing is known.

CONSERVATION STATUS

Listed as Critically Endangered by the IUCN.

SIGNIFICANCE TO HUMANS None known. ♦

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