Adder’S-Mouth vs Hairy-tailed Tree Rat

Malaxis bayardii compared with Brachytarsomys villosa

Key Differences

• Adder’S-Mouth is Critically Endangered while Hairy-tailed Tree Rat is Vulnerable.

Taxonomic Classification

Rank	Adder’S-Mouth	Hairy-tailed Tree Rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Asparagales (Asparagales)	Rodentia (Rodents)
Family	Orchidaceae	Nesomyidae
Genus	Malaxis	Brachytarsomys
Species	Malaxis bayardii	Brachytarsomys villosa

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Hairy-tailed Tree Rat

VU — Vulnerable

Physical Characteristics

Attribute	Adder’S-Mouth	Hairy-tailed Tree 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.

Hairy-tailed Tree 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.