Bridge Roller vs River Thread-moss

Ancylis uncella compared with Bryum riparium

Key Differences

• Bridge Roller is Least Concern while River Thread-moss is Vulnerable.

Taxonomic Classification

Rank	Bridge Roller	River Thread-moss
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Bryophyta
Class	Insecta (Insects)	Bryopsida (Bryopsida)
Order	Lepidoptera (Butterflies & Moths)	Bryales (Bryales)
Family	Tortricidae	Bryaceae
Genus	Ancylis	Bryum
Species	Ancylis uncella	Bryum riparium

Conservation Status

Bridge Roller

LC — Least Concern

River Thread-moss

VU — Vulnerable

Physical Characteristics

Attribute	Bridge Roller	River Thread-moss
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

River Thread-moss

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

Bridge Roller

The Bridge Roller (Ancylis uncella) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden