Fen Roller vs Gray Birch Mouse

Ancylis paludana compared with Sicista pseudonapaea

Key Differences

• Fen Roller is Near Threatened while Gray Birch Mouse is Data Deficient.

Taxonomic Classification

Rank	Fen Roller	Gray 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 pseudonapaea

Evolutionary Relationship

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

Conservation Status

Fen Roller

NT — Near Threatened

Gray Birch Mouse

DD — Data Deficient

Physical Characteristics

Attribute	Fen Roller	Gray 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.

Gray Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.