Chalk Screw-moss vs Narrow-headed Vole

Tortula vahliana compared with Microtus gregalis

Key Differences

• Chalk Screw-moss is Vulnerable while Narrow-headed Vole is Least Concern.

Taxonomic Classification

Rank	Chalk Screw-moss	Narrow-headed Vole
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Chordata (Chordates)
Class	Bryopsida (Bryopsida)	Mammalia (Mammals)
Order	Pottiales (Pottiales)	Rodentia (Rodents)
Family	Pottiaceae	Cricetidae
Genus	Tortula	Microtus
Species	Tortula vahliana	Microtus gregalis

Conservation Status

Chalk Screw-moss

VU — Vulnerable

Narrow-headed Vole

LC — Least Concern

Physical Characteristics

Attribute	Chalk Screw-moss	Narrow-headed Vole
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chalk Screw-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Belgium, Norway, and Portugal. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Narrow-headed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Chalk Screw-moss

The Chalk Screw-moss (Tortula vahliana) is a species in the genus Tortula. It is currently classified as Vulnerable on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.