Flat-skulled Shrew vs Ray's Knotgrass

Sorex roboratus compared with Polygonum oxyspermum

Key Differences

• Flat-skulled Shrew is Least Concern while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Flat-skulled 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	Sorex	Polygonum
Species	Sorex roboratus	Polygonum oxyspermum

Conservation Status

Flat-skulled Shrew

LC — Least Concern

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Flat-skulled Shrew	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Flat-skulled Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.