Harmless Serotine vs Slender-billed Starling

Eptesicus innoxius compared with Onychognathus tenuirostris

Key Differences

• Harmless Serotine is Near Threatened while Slender-billed Starling is Least Concern.

Taxonomic Classification

Rank	Harmless Serotine	Slender-billed Starling
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Vespertilionidae	Sturnidae
Genus	Eptesicus	Onychognathus
Species	Eptesicus innoxius	Onychognathus tenuirostris

Evolutionary Relationship

Harmless Serotine and Slender-billed Starling share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Harmless Serotine

NT — Near Threatened

Slender-billed Starling

LC — Least Concern

Physical Characteristics

Attribute	Harmless Serotine	Slender-billed Starling
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.

Slender-billed Starling

Habitat

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

Range

Found in Norway.