Chestnut Sac-winged Bat vs River Tern

Cormura brevirostris compared with Sterna aurantia

Key Differences

• Chestnut Sac-winged Bat is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Chestnut Sac-winged Bat	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Charadriiformes (Charadriiformes)
Family	Emballonuridae	Laridae
Genus	Cormura	Sterna
Species	Cormura brevirostris	Sterna aurantia

Evolutionary Relationship

Chestnut Sac-winged Bat and River Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chestnut Sac-winged Bat

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Chestnut Sac-winged Bat	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut Sac-winged Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

River Tern

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.