Adder’S-Mouth vs Fat Sand Rat

Malaxis bayardii compared with Psammomys obesus

Key Differences

• Adder’S-Mouth is Critically Endangered while Fat Sand Rat is Least Concern.

Taxonomic Classification

Rank	Adder’S-Mouth	Fat Sand Rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Asparagales (Asparagales)	Rodentia (Rodents)
Family	Orchidaceae	Muridae (Mice & Rats)
Genus	Malaxis	Psammomys
Species	Malaxis bayardii	Psammomys obesus

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Fat Sand Rat

LC — Least Concern

Physical Characteristics

Attribute	Adder’S-Mouth	Fat Sand Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Adder’S-Mouth

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

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

Fat Sand Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Adder’S-Mouth

The Adder’S-Mouth (Malaxis bayardii) is a species in the genus Malaxis. It is currently classified as Critically Endangered on the IUCN Red List. This species inhabits Typically found in grasslands, wetlands, forests, and cultivated landscapes, found across Canada and United States.