Lesser Yellow-shouldered Bat vs River Lamprey

Sturnira nana compared with Lampetra ayresii

Key Differences

• Lesser Yellow-shouldered Bat is Endangered while River Lamprey is Least Concern.

Taxonomic Classification

Rank	Lesser Yellow-shouldered Bat	River Lamprey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Petromyzonti (Petromyzonti)
Order	Chiroptera (Bats)	Petromyzontiformes (lamprey)
Family	Phyllostomidae	Petromyzontidae
Genus	Sturnira	Lampetra
Species	Sturnira nana	Lampetra ayresii

Evolutionary Relationship

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

Conservation Status

Lesser Yellow-shouldered Bat

EN — Endangered

River Lamprey

LC — Least Concern

Physical Characteristics

Attribute	Lesser Yellow-shouldered Bat	River Lamprey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

River Lamprey