Blind Small-eared Shrew vs Polynesian rat

Cryptotis niausa compared with Rattus exulans

Key Differences

• Blind Small-eared Shrew is Data Deficient while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Blind Small-eared Shrew	Polynesian rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Soricomorpha (Soricomorpha)	Rodentia (Rodents)
Family	Soricidae	Muridae (Mice & Rats)
Genus	Cryptotis	Rattus
Species	Cryptotis niausa	Rattus exulans

Evolutionary Relationship

Blind Small-eared Shrew and Polynesian rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Blind Small-eared Shrew

DD — Data Deficient

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Blind Small-eared Shrew	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blind Small-eared Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

Blind Small-eared Shrew

The Blind Small-eared Shrew (Cryptotis niausa) is a species in the genus Cryptotis. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.