Gianna’s Yellow-shouldered Bat vs River Tern

Sturnira giannae compared with Sterna aurantia

Key Differences

• Gianna’s Yellow-shouldered Bat is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Gianna’s Yellow-shouldered 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	Phyllostomidae	Laridae
Genus	Sturnira	Sterna
Species	Sturnira giannae	Sterna aurantia

Evolutionary Relationship

Gianna’s Yellow-shouldered Bat and River Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gianna’s Yellow-shouldered Bat

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Gianna’s Yellow-shouldered Bat	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gianna’s Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.