Lesser Yellow-shouldered Bat vs Американский красноголовый нырок

Sturnira nana compared with Aythya americana

Key Differences

• Lesser Yellow-shouldered Bat is Endangered while Американский красноголовый нырок is Not Evaluated.

Taxonomic Classification

Rank	Lesser Yellow-shouldered Bat	Американский красноголовый нырок
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Mammalia (млекопитающие)	Aves (птицы)
Order	Chiroptera (рукокрылые)	Anseriformes (гусеобразные)
Family	Phyllostomidae	Anatidae
Genus	Sturnira	Aythya
Species	Sturnira nana	Aythya americana

Evolutionary Relationship

Lesser Yellow-shouldered Bat and Американский красноголовый нырок share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Lesser Yellow-shouldered Bat

EN — Endangered

Американский красноголовый нырок

NE — Not Evaluated

Physical Characteristics

Attribute	Lesser Yellow-shouldered Bat	Американский красноголовый нырок
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.

Американский красноголовый нырок

Habitat

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

Range

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

Американский красноголовый нырок

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.