Adder’S-Mouth vs Lesser Short-tailed Rat

Malaxis bayardii compared with Brachyuromys betsileoensis

Key Differences

• Adder’S-Mouth is Critically Endangered while Lesser Short-tailed Rat is Least Concern.

Taxonomic Classification

Rank	Adder’S-Mouth	Lesser Short-tailed 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	Brachyuromys
Species	Malaxis bayardii	Brachyuromys betsileoensis

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Lesser Short-tailed Rat

LC — Least Concern

Physical Characteristics

Attribute	Adder’S-Mouth	Lesser Short-tailed 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.

Lesser Short-tailed 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.