Gray-backed Tern vs Lesser Yellow-shouldered Bat

Onychoprion lunatus compared with Sturnira nana

Key Differences

• Gray-backed Tern is Least Concern while Lesser Yellow-shouldered Bat is Endangered.

Taxonomic Classification

Rank	Gray-backed Tern	Lesser Yellow-shouldered Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Chiroptera (Bats)
Family	Laridae	Phyllostomidae
Genus	Onychoprion	Sturnira
Species	Onychoprion lunatus	Sturnira nana

Evolutionary Relationship

Gray-backed Tern and Lesser Yellow-shouldered Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-backed Tern

LC — Least Concern

Lesser Yellow-shouldered Bat

EN — Endangered

Physical Characteristics

Attribute	Gray-backed Tern	Lesser Yellow-shouldered Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-backed Tern

Habitat

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

Range

Found in Norway.

Lesser Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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