Ecuadorian Sac-winged Bat vs Japanese Short-tailed Bat

Balantiopteryx infusca compared with Eptesicus japonensis

Key Differences

• Ecuadorian Sac-winged Bat is Endangered while Japanese Short-tailed Bat is Vulnerable.

Taxonomic Classification

Rank	Ecuadorian Sac-winged Bat	Japanese Short-tailed Bat
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mamalia)	Mammalia (mamalia)
Order same	Chiroptera (Kelelawar)	Chiroptera (Kelelawar)
Family	Emballonuridae	Vespertilionidae
Genus	Balantiopteryx	Eptesicus
Species	Balantiopteryx infusca	Eptesicus japonensis

Evolutionary Relationship

Ecuadorian Sac-winged Bat and Japanese Short-tailed Bat share a common ancestor at the Order level: Chiroptera. (Kelelawar)

Conservation Status

Ecuadorian Sac-winged Bat

EN — Endangered

Japanese Short-tailed Bat

VU — Vulnerable

Physical Characteristics

Attribute	Ecuadorian Sac-winged Bat	Japanese Short-tailed Bat
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.

Japanese Short-tailed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.