Harmless Serotine vs Redhead

Eptesicus innoxius compared with Aythya americana

Key Differences

• Harmless Serotine is Near Threatened while Redhead is Not Evaluated.

Taxonomic Classification

Rank	Harmless Serotine	Redhead
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Anseriformes (Anseriformes)
Family	Vespertilionidae	Anatidae
Genus	Eptesicus	Aythya
Species	Eptesicus innoxius	Aythya americana

Evolutionary Relationship

Harmless Serotine and Redhead share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Harmless Serotine

NT — Near Threatened

Redhead

NE — Not Evaluated

Physical Characteristics

Attribute	Harmless Serotine	Redhead
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Harmless Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.