Fen Roller vs Northern Birch Mouse

Ancylis paludana compared with Sicista betulina

Key Differences

• Fen Roller is Near Threatened while Northern Birch Mouse is Least Concern.

Taxonomic Classification

Rank	Fen Roller	Northern Birch Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Tortricidae	Dipodidae
Genus	Ancylis	Sicista
Species	Ancylis paludana	Sicista betulina

Evolutionary Relationship

Fen Roller and Northern Birch Mouse share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Fen Roller

NT — Near Threatened

Northern Birch Mouse

LC — Least Concern

Physical Characteristics

Attribute	Fen Roller	Northern Birch Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fen Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Northern Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Denmark, Norway, Russia, Sweden, and Ukraine.

Shared Countries

Both species can be found in 2 countries:

🇩🇰 Denmark 🇸🇪 Sweden