Adder’S-Mouth vs Large-eared Mountain Vole

Malaxis bayardii compared with Alticola macrotis

Key Differences

• Adder’S-Mouth is Critically Endangered while Large-eared Mountain Vole is Least Concern.

Taxonomic Classification

Rank	Adder’S-Mouth	Large-eared Mountain Vole
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Asparagales (Asparagales)	Rodentia (Rodents)
Family	Orchidaceae	Cricetidae
Genus	Malaxis	Alticola
Species	Malaxis bayardii	Alticola macrotis

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Large-eared Mountain Vole

LC — Least Concern

Physical Characteristics

Attribute	Adder’S-Mouth	Large-eared Mountain Vole
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.

Large-eared Mountain Vole

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.