Adder’S-Mouth vs Gianna’s Yellow-shouldered Bat

Malaxis bayardii compared with Sturnira giannae

Key Differences

• Adder’S-Mouth is Critically Endangered while Gianna’s Yellow-shouldered Bat is Least Concern.

Taxonomic Classification

Rank	Adder’S-Mouth	Gianna’s Yellow-shouldered Bat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Asparagales (Asparagales)	Chiroptera (Bats)
Family	Orchidaceae	Phyllostomidae
Genus	Malaxis	Sturnira
Species	Malaxis bayardii	Sturnira giannae

Conservation Status

Adder’S-Mouth

CR — Critically Endangered

Gianna’s Yellow-shouldered Bat

LC — Least Concern

Physical Characteristics

Attribute	Adder’S-Mouth	Gianna’s Yellow-shouldered Bat
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.

Gianna’s Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.