Adder’S-Mouth vs Desmarest’s Spiny Pocket Mouse

Malaxis bayardii compared with Heteromys desmarestianus

Key Differences

• Adder’S-Mouth is Critically Endangered while Desmarest’s Spiny Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Adder’S-Mouth	Desmarest’s Spiny Pocket Mouse
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Asparagales (Asparagales)	Rodentia (Rodents)
Family	Orchidaceae	Heteromyidae
Genus	Malaxis	Heteromys
Species	Malaxis bayardii	Heteromys desmarestianus

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Desmarest’s Spiny Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Adder’S-Mouth	Desmarest’s Spiny Pocket Mouse
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.

Desmarest’s Spiny Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

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.