Adder’S-Mouth vs Kalinowski s Mouse Opossum

Malaxis bayardii compared with Hyladelphys kalinowskii

Key Differences

• Adder’S-Mouth is Critically Endangered while Kalinowski s Mouse Opossum is Least Concern.

Taxonomic Classification

Rank	Adder’S-Mouth	Kalinowski s Mouse Opossum
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Asparagales (Asparagales)	Didelphimorphia (Didelphimorphia)
Family	Orchidaceae	Didelphidae
Genus	Malaxis	Hyladelphys
Species	Malaxis bayardii	Hyladelphys kalinowskii

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Kalinowski s Mouse Opossum

LC — Least Concern

Physical Characteristics

Attribute	Adder’S-Mouth	Kalinowski s Mouse Opossum
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.

Kalinowski s Mouse Opossum

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.