Ecuadorian Sac-winged Bat vs Amerika-aka-ei

Balantiopteryx infusca compared with Hypanus americanus

Key Differences

• Ecuadorian Sac-winged Bat is Endangered while Amerika-aka-ei is Near Threatened.

Taxonomic Classification

Rank	Ecuadorian Sac-winged 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	Emballonuridae	Dasyatidae
Genus	Balantiopteryx	Hypanus
Species	Balantiopteryx infusca	Hypanus americanus

Evolutionary Relationship

Ecuadorian Sac-winged Bat and Amerika-aka-ei share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Ecuadorian Sac-winged Bat

EN — Endangered

Amerika-aka-ei

NT — Near Threatened

Physical Characteristics

Attribute	Ecuadorian Sac-winged Bat	Amerika-aka-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ecuadorian Sac-winged Bat

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Colombia and Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.