Chalk Screw-moss vs Gianna’s Yellow-shouldered Bat

Tortula vahliana compared with Sturnira giannae

Key Differences

• Chalk Screw-moss is Vulnerable while Gianna’s Yellow-shouldered Bat is Least Concern.

Taxonomic Classification

Rank	Chalk Screw-moss	Gianna’s Yellow-shouldered Bat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Chordata (Chordates)
Class	Bryopsida (Bryopsida)	Mammalia (Mammals)
Order	Pottiales (Pottiales)	Chiroptera (Bats)
Family	Pottiaceae	Phyllostomidae
Genus	Tortula	Sturnira
Species	Tortula vahliana	Sturnira giannae

Conservation Status

Chalk Screw-moss

VU — Vulnerable

Gianna’s Yellow-shouldered Bat

LC — Least Concern

Physical Characteristics

Attribute	Chalk Screw-moss	Gianna’s Yellow-shouldered Bat
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.

Gianna’s Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.