Bordered Screw-moss vs Canadian Otter

Tortula marginata compared with Lontra canadensis

Key Differences

• Bordered Screw-moss is Endangered while Canadian Otter is Least Concern.

Taxonomic Classification

Rank	Bordered Screw-moss	Canadian Otter
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Bryophyta	Chordata (Chordates)
Class	Bryopsida (Bryopsida)	Mammalia (Mammals)
Order	Pottiales (Pottiales)	Carnivora (Carnivorans)
Family	Pottiaceae	Mustelidae (Weasels & Otters)
Genus	Tortula	Lontra
Species	Tortula marginata	Lontra canadensis

Conservation Status

Bordered Screw-moss

EN — Endangered

Canadian Otter

LC — Least Concern

Physical Characteristics

Attribute	Bordered Screw-moss	Canadian Otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

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.

Canadian Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

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.

Canadian Otter

The Canadian Otter (Lontra canadensis) is a species in the genus Lontra. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.