Colombian Speckled Tree-rat vs Nutria de Sumatra

Pattonomys semivillosus compared with Lutra sumatrana

Key Differences

• Colombian Speckled Tree-rat is Least Concern while Nutria de Sumatra is Endangered.

Taxonomic Classification

Rank	Colombian Speckled Tree-rat	Nutria de Sumatra
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Rodentia (Rodents)	Carnivora (carnívoros)
Family	Echimyidae	Mustelidae (Weasels & Otters)
Genus	Pattonomys	Lutra (Otters)
Species	Pattonomys semivillosus	Lutra sumatrana

Evolutionary Relationship

Colombian Speckled Tree-rat and Nutria de Sumatra share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Colombian Speckled Tree-rat

LC — Least Concern

Nutria de Sumatra

EN — Endangered

Physical Characteristics

Attribute	Colombian Speckled Tree-rat	Nutria de Sumatra
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Colombian Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Nutria de Sumatra

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Colombian Speckled Tree-rat

<em>Pattonomys semivillosus</em>, the Colombian speckled tree-rat, is an arboreal rodent in the family Echimyidae distributed within Colombia. Members of the genus <em>Pattonomys</em> are associated with tropical forest canopy habitats, where their semi-arboreal lifestyle allows exploitation of fruiting trees and epiphytic vegetation. The speckled pelage characteristic of this species likely provides camouflage within dappled forest light. <em>Pattonomys semivillosus</em> is currently listed as Least Concern by the IUCN, reflecting a population not considered to be under immediate threat of significant decline. However, like many forest-dependent Neotropical rodents, this species may be sensitive to deforestation and habitat fragmentation, which reduce connectivity between forest patches and limit access to food resources and mates. The species is presumed to feed primarily on plant matter, including seeds, fruits, and bark. Its ecological role likely includes seed dispersal within its forest habitat. Biological traits of this species remain poorly documented in the scientific literature.