Adder’S-Mouth vs Crescent Nail-tail Wallaby

Malaxis bayardii compared with Onychogalea lunata

Key Differences

• Adder’S-Mouth is Critically Endangered while Crescent Nail-tail Wallaby is Extinct.

Taxonomic Classification

Rank	Adder’S-Mouth	Crescent Nail-tail Wallaby
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Asparagales (Asparagales)	Diprotodontia (Marsupials)
Family	Orchidaceae	Macropodidae (Kangaroos)
Genus	Malaxis	Onychogalea
Species	Malaxis bayardii	Onychogalea lunata

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Crescent Nail-tail Wallaby

EX — Extinct

Physical Characteristics

Attribute	Adder’S-Mouth	Crescent Nail-tail Wallaby
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.

Crescent Nail-tail Wallaby

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.