Perija Small-eared Shrew vs Ray's Knotgrass

Cryptotis perijensis compared with Polygonum oxyspermum

Key Differences

• Perija Small-eared Shrew is Data Deficient while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Perija Small-eared Shrew	Ray's Knotgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Soricomorpha (Soricomorpha)	Caryophyllales (Caryophyllales)
Family	Soricidae	Polygonaceae
Genus	Cryptotis	Polygonum
Species	Cryptotis perijensis	Polygonum oxyspermum

Conservation Status

Perija Small-eared Shrew

DD — Data Deficient

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Perija Small-eared Shrew	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Perija Small-eared Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Ray's Knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.