Gianna’s Yellow-shouldered Bat vs Amerika-aka-ei

Sturnira giannae compared with Hypanus americanus

Key Differences

• Gianna’s Yellow-shouldered Bat is Least Concern while Amerika-aka-ei is Near Threatened.

Taxonomic Classification

Rank	Gianna’s Yellow-shouldered Bat	Amerika-aka-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Elasmobranchii
Order	Chiroptera (翼手目)	Myliobatiformes (トビエイ目)
Family	Phyllostomidae	Dasyatidae
Genus	Sturnira	Hypanus
Species	Sturnira giannae	Hypanus americanus

Evolutionary Relationship

Gianna’s Yellow-shouldered Bat and Amerika-aka-ei share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Gianna’s Yellow-shouldered Bat

LC — Least Concern

Amerika-aka-ei

NT — Near Threatened

Physical Characteristics

Attribute	Gianna’s Yellow-shouldered Bat	Amerika-aka-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gianna’s Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Amerika-aka-ei

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.