Big Naked-backed Bat vs Chestnut Sac-winged Bat

Pteronotus gymnonotus compared with Cormura brevirostris

Taxonomic Classification

Rank	Big Naked-backed Bat	Chestnut 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	Mormoopidae	Emballonuridae
Genus	Pteronotus	Cormura
Species	Pteronotus gymnonotus	Cormura brevirostris

Evolutionary Relationship

Big Naked-backed Bat and Chestnut Sac-winged Bat share a common ancestor at the Order level: Chiroptera. (ค้างคาว)

Conservation Status

Big Naked-backed Bat

LC — Least Concern

Chestnut Sac-winged Bat

LC — Least Concern

Physical Characteristics

Attribute	Big Naked-backed Bat	Chestnut Sac-winged Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Naked-backed Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Chestnut Sac-winged Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Big Naked-backed Bat

The Big Naked-backed Bat (Pteronotus gymnonotus) is a species in the genus Pteronotus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Chestnut Sac-winged Bat

The Chestnut Sac-winged Bat (Cormura brevirostris) is a species in the genus Cormura. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela