Fat Sand Rat vs Woolly Foam

Psammomys obesus compared with Stereocaulon tomentosum

Key Differences

• Fat Sand Rat is Least Concern while Woolly Foam is Endangered.

Taxonomic Classification

Rank	Fat Sand Rat	Woolly Foam
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Rodentia (Rodents)	Lecanorales (Lecanorales)
Family	Muridae (Mice & Rats)	Stereocaulaceae
Genus	Psammomys	Stereocaulon
Species	Psammomys obesus	Stereocaulon tomentosum

Conservation Status

Fat Sand Rat

LC — Least Concern

Woolly Foam

EN — Endangered

Physical Characteristics

Attribute	Fat Sand Rat	Woolly Foam
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fat Sand Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Woolly Foam

Habitat

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

Range

Distributed across Colombia, Denmark, Norway, Sweden, and United States. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.