Bordered Screw-moss vs European otter

Tortula marginata compared with Lutra lutra

Key Differences

Bordered Screw-moss is Endangered while European otter is Vulnerable.

Taxonomic Classification

Rank	Bordered Screw-moss	European otter
Kingdom	Plantae (พืช)	Animalia (สัตว์)
Phylum	Bryophyta	Chordata (สัตว์มีแกนสันหลัง)
Class	Bryopsida (Bryopsida)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Pottiales (Pottiales)	Carnivora (สัตว์กินเนื้อ)
Family	Pottiaceae	Mustelidae (Weasels & Otters)
Genus	Tortula	Lutra (Otters)
Species	Tortula marginata	Lutra lutra

Conservation Status

Bordered Screw-moss

EN — Endangered

European otter

VU — Vulnerable

Trend: Stable →

Physical Characteristics

Attribute	Bordered Screw-moss	European otter
Diet	—	Carnivore
Average Lifespan	—	10 years
Average Length	—	1.0 m
Average Weight	—	10.0 kg

Habitat & Geographic Range

Bordered Screw-moss

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.

Range

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

European otter

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Bordered Screw-moss

The Bordered Screw-moss (Tortula marginata) is a species in the genus Tortula. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.

European otter

Sleek semi-aquatic mustelid found along clean rivers, streams, and coastlines across Europe and Asia. European otters can reach 1.3 meters in length and are highly skilled fish hunters, using sensitive whiskers to detect prey movements. Requiring unpolluted water with abundant fish, they are an indicator species for freshwater ecosystem health. Once nearly extinct in Western Europe from hunting and pollution, populations have recovered significantly following water quality improvements.