Chalk Screw-moss vs Formosan Serow

Tortula vahliana compared with Capricornis swinhoei

Key Differences

• Chalk Screw-moss is Vulnerable while Formosan Serow is Least Concern.

Taxonomic Classification

Rank	Chalk Screw-moss	Formosan Serow
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Chordata (Chordates)
Class	Bryopsida (Bryopsida)	Mammalia (Mammals)
Order	Pottiales (Pottiales)	Artiodactyla (Even-toed Ungulates)
Family	Pottiaceae	Bovidae (Bovids)
Genus	Tortula	Capricornis
Species	Tortula vahliana	Capricornis swinhoei

Conservation Status

Chalk Screw-moss

VU — Vulnerable

Formosan Serow

LC — Least Concern

Physical Characteristics

Attribute	Chalk Screw-moss	Formosan Serow
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.

Formosan Serow

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan.

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.