White-tailed olalla rat

White-tailed olalla rat
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Echimyidae
Subfamily: Echimyinae
Tribe: Echimyini
Genus: Olallamys
Species:
O. albicauda
Binomial name
Olallamys albicauda
(Günther, 1879)

The white-tailed olalla rat (Olallamys albicauda) is a species of rodent in the family Echimyidae. It is endemic to Colombia where its natural habitat is subtropical or tropical moist lowland forests.

It is a medium-sized rat with a reddish-brown dorsum, a whitish venter, and a tail characterized by a whitish tip.