Red-crested Tree Rat
Santamartamys rufodorsalis
- Critically endangered
- Card rarity: Legendary
- Mammals

The red-crested tree-rat or Santa Marta toro is a species of tree-rat found in the monotypic genus Santamartamys in the family Echimyidae. It is nocturnal and is believed to feed on plant matter, and is mainly rufous, with young specimens having a grey coat. IUCN list the species as critically endangered: it is affected by feral cats, climate change, and the clearing of forest in its potential range in coastal Colombia.
Classification
- Class
- Mammalia
- Order
- Rodentia
- Family
- Echimyidae
- Genus
- Santamartamys