Canvasback vs Lesser Yellow-shouldered Bat

Aythya valisineria compared with Sturnira nana

Key Differences

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

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Canvasback

NE — Not Evaluated

Lesser Yellow-shouldered Bat

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Canvasback

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (United States).

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.

Canvasback

Canvasback (Aythya valisineria) 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.