Adder’S-Mouth vs Guyenne Spiny-rat

Malaxis bayardii compared with Proechimys guyannensis

Key Differences

• Adder’S-Mouth is Critically Endangered while Guyenne Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Adder’S-Mouth	Guyenne Spiny-rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Asparagales (Asparagales)	Rodentia (Rodents)
Family	Orchidaceae	Echimyidae
Genus	Malaxis	Proechimys
Species	Malaxis bayardii	Proechimys guyannensis

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Guyenne Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Adder’S-Mouth	Guyenne Spiny-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.

Guyenne Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

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.