Cramp Balls vs Northern Birch Mouse

Daldinia concentrica compared with Sicista betulina

Key Differences

• Cramp Balls is Vulnerable while Northern Birch Mouse is Least Concern.

Taxonomic Classification

Rank	Cramp Balls	Northern Birch Mouse
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Chordata (Chordates)
Class	Sordariomycetes (Sordariomycetes)	Mammalia (Mammals)
Order	Xylariales (Xylariales)	Rodentia (Rodents)
Family	Hypoxylaceae	Dipodidae
Genus	Daldinia	Sicista
Species	Daldinia concentrica	Sicista betulina

Conservation Status

Cramp Balls

VU — Vulnerable

Northern Birch Mouse

LC — Least Concern

Physical Characteristics

Attribute	Cramp Balls	Northern Birch Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cramp Balls

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Brazil). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden