Colombian Speckled Tree-rat vs Large Cordillera Shrew Mouse

Pattonomys semivillosus compared with Archboldomys maximus

Key Differences

• Colombian Speckled Tree-rat is Least Concern while Large Cordillera Shrew Mouse is Data Deficient.

Taxonomic Classification

Rank	Colombian Speckled Tree-rat	Large Cordillera Shrew Mouse
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Rodentia (啮齿目)	Rodentia (啮齿目)
Family	Echimyidae	Muridae (Mice & Rats)
Genus	Pattonomys	Archboldomys
Species	Pattonomys semivillosus	Archboldomys maximus

Evolutionary Relationship

Colombian Speckled Tree-rat and Large Cordillera Shrew Mouse share a common ancestor at the Order level: Rodentia. (啮齿目)

Conservation Status

Colombian Speckled Tree-rat

LC — Least Concern

Large Cordillera Shrew Mouse

DD — Data Deficient

Physical Characteristics

Attribute	Colombian Speckled Tree-rat	Large Cordillera Shrew Mouse
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.

Large Cordillera Shrew Mouse

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.