Fat Sand Rat vs Limestone Waxcap

Psammomys obesus compared with Hygrocybe calciphila

Key Differences

• Fat Sand Rat is Least Concern while Limestone Waxcap is Vulnerable.

Taxonomic Classification

Rank	Fat Sand Rat	Limestone Waxcap
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Agaricales (Gilled Mushrooms)
Family	Muridae (Mice & Rats)	Hygrophoraceae
Genus	Psammomys	Hygrocybe
Species	Psammomys obesus	Hygrocybe calciphila

Conservation Status

Fat Sand Rat

LC — Least Concern

Limestone Waxcap

VU — Vulnerable

Physical Characteristics

Attribute	Fat Sand Rat	Limestone Waxcap
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fat Sand Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Limestone Waxcap

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

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