Gianna’s Yellow-shouldered Bat vs Redhead

Sturnira giannae compared with Aythya americana

Key Differences

• Gianna’s Yellow-shouldered Bat is Least Concern while Redhead is Not Evaluated.

Taxonomic Classification

Rank	Gianna’s 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 giannae	Aythya americana

Evolutionary Relationship

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

Conservation Status

Gianna’s Yellow-shouldered Bat

LC — Least Concern

Redhead

NE — Not Evaluated

Physical Characteristics

Attribute	Gianna’s Yellow-shouldered Bat	Redhead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gianna’s Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.