Adder’S-Mouth vs Big-eared Hopping Mouse

Malaxis bayardii compared with Notomys macrotis

Key Differences

• Adder’S-Mouth is Critically Endangered while Big-eared Hopping Mouse is Extinct.

Taxonomic Classification

Rank	Adder’S-Mouth	Big-eared Hopping Mouse
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	Notomys
Species	Malaxis bayardii	Notomys macrotis

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Big-eared Hopping Mouse

EX — Extinct

Physical Characteristics

Attribute	Adder’S-Mouth	Big-eared Hopping Mouse
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.

Big-eared Hopping Mouse

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.

Big-eared Hopping Mouse

The Big-eared Hopping Mouse (Notomys macrotis) is a species in the genus Notomys. It is currently classified as Extinct on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.