Adder’S-Mouth vs Polynesian rat

Malaxis bayardii compared with Rattus exulans

Key Differences

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

Taxonomic Classification

Rank	Adder’S-Mouth	Polynesian rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Asparagales (Asparagales)	Rodentia (Rodents)
Family	Orchidaceae	Muridae (Mice & Rats)
Genus	Malaxis	Rattus
Species	Malaxis bayardii	Rattus exulans

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Adder’S-Mouth	Polynesian 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.

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

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.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States