Allen's Big-eared Bat vs Ecuadorian Sac-winged Bat

Idionycteris phyllotis compared with Balantiopteryx infusca

Key Differences

• Allen's Big-eared Bat is Least Concern while Ecuadorian Sac-winged Bat is Endangered.

Taxonomic Classification

Rank	Allen's Big-eared Bat	Ecuadorian Sac-winged Bat
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order same	Chiroptera (ค้างคาว)	Chiroptera (ค้างคาว)
Family	Vespertilionidae	Emballonuridae
Genus	Idionycteris	Balantiopteryx
Species	Idionycteris phyllotis	Balantiopteryx infusca

Evolutionary Relationship

Allen's Big-eared Bat and Ecuadorian Sac-winged Bat share a common ancestor at the Order level: Chiroptera. (ค้างคาว)

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

Ecuadorian Sac-winged Bat

EN — Endangered

Physical Characteristics

Attribute	Allen's Big-eared Bat	Ecuadorian Sac-winged Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Allen's Big-eared Bat

The Allen's Big-eared Bat (Idionycteris phyllotis) is a species in the genus Idionycteris. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.