Carriker’s Speckled Tree-rat vs Stoat, Ermine

Pattonomys carrikeri compared with Mustela erminea

Key Differences

• Carriker’s Speckled Tree-rat is Data Deficient while Stoat, Ermine is Vulnerable.

Taxonomic Classification

Rank	Carriker’s Speckled Tree-rat	Stoat, Ermine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Carnivora (Carnivorans)
Family	Echimyidae	Mustelidae (Weasels & Otters)
Genus	Pattonomys	Mustela
Species	Pattonomys carrikeri	Mustela erminea

Evolutionary Relationship

Carriker’s Speckled Tree-rat and Stoat, Ermine share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Carriker’s Speckled Tree-rat

DD — Data Deficient

Stoat, Ermine

VU — Vulnerable

Physical Characteristics

Attribute	Carriker’s Speckled Tree-rat	Stoat, Ermine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Carriker’s Speckled Tree-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

Stoat, Ermine

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and temperate broadleaf and mixed forests, among 6 distinct biome types spanning the Australasia and Indomalayan and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Indonesia), Europe (6 countries), North America (United States), and Oceania and the Pacific (New Zealand). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Carriker’s Speckled Tree-rat

The Carriker’s Speckled Tree-rat (Pattonomys carrikeri) is a species in the genus Pattonomys. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Stoat, Ermine

Stoat, Ermine (Mustela erminea) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.