Adder’S-Mouth vs Cuvier s Spiny-rat

Malaxis bayardii compared with Proechimys cuvieri

Key Differences

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

Taxonomic Classification

Rank	Adder’S-Mouth	Cuvier s 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 cuvieri

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Cuvier s Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Adder’S-Mouth	Cuvier s 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.

Cuvier s Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Ecuador and 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.