Hairy-tailed Tree Rat vs Rock Foam

Brachytarsomys villosa compared with Stereocaulon saxatile

Key Differences

• Hairy-tailed Tree Rat is Vulnerable while Rock Foam is Near Threatened.

Taxonomic Classification

Rank	Hairy-tailed Tree Rat	Rock Foam
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Rodents)	Lecanorales (Lecanorales)
Family	Nesomyidae	Stereocaulaceae
Genus	Brachytarsomys	Stereocaulon
Species	Brachytarsomys villosa	Stereocaulon saxatile

Conservation Status

Hairy-tailed Tree Rat

VU — Vulnerable

Rock Foam

NT — Near Threatened

Physical Characteristics

Attribute	Hairy-tailed Tree Rat	Rock Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hairy-tailed Tree Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rock Foam

Habitat

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

Range

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