Lesser Yellow-shouldered Bat vs Willow Pigmy

Sturnira nana compared with Stigmella obliquella

Key Differences

• Lesser Yellow-shouldered Bat is Endangered while Willow Pigmy is Least Concern.

Taxonomic Classification

Rank	Lesser Yellow-shouldered Bat	Willow Pigmy
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Chiroptera (Bats)	Lepidoptera (Butterflies & Moths)
Family	Phyllostomidae	Nepticulidae
Genus	Sturnira	Stigmella
Species	Sturnira nana	Stigmella obliquella

Evolutionary Relationship

Lesser Yellow-shouldered Bat and Willow Pigmy share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Lesser Yellow-shouldered Bat

EN — Endangered

Willow Pigmy

LC — Least Concern

Physical Characteristics

Attribute	Lesser Yellow-shouldered Bat	Willow Pigmy
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.

Willow Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.