Lesser Sac-winged Bat vs River Tern

Saccopteryx leptura compared with Sterna aurantia

Key Differences

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

Taxonomic Classification

Rank	Lesser 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	Saccopteryx	Sterna
Species	Saccopteryx leptura	Sterna aurantia

Evolutionary Relationship

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

Conservation Status

Lesser Sac-winged Bat

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

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

Habitat & Geographic Range

Lesser 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.