Lesser Yellow-shouldered Bat vs Redhead

Sturnira nana compared with Aythya americana

Key Differences

• Lesser Yellow-shouldered Bat is Endangered while Redhead is Not Evaluated.

Taxonomic Classification

Rank	Lesser Yellow-shouldered Bat	Redhead
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Anseriformes (Anseriformes)
Family	Phyllostomidae	Anatidae
Genus	Sturnira	Aythya
Species	Sturnira nana	Aythya americana

Evolutionary Relationship

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

Conservation Status

Lesser Yellow-shouldered Bat

EN — Endangered

Redhead

NE — Not Evaluated

Physical Characteristics

Attribute	Lesser Yellow-shouldered Bat	Redhead
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.

Redhead

Habitat

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

Range

Found across Europe (7 countries) and North America (United States).

Redhead

Redhead (Aythya americana) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.