Harmless Serotine vs Sooty Tern

Eptesicus innoxius compared with Onychoprion fuscatus

Key Differences

• Harmless Serotine is Near Threatened while Sooty Tern is Least Concern.

Taxonomic Classification

Rank	Harmless Serotine	Sooty Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Charadriiformes (Charadriiformes)
Family	Vespertilionidae	Laridae
Genus	Eptesicus	Onychoprion
Species	Eptesicus innoxius	Onychoprion fuscatus

Evolutionary Relationship

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

Conservation Status

Harmless Serotine

NT — Near Threatened

Sooty Tern

LC — Least Concern

Physical Characteristics

Attribute	Harmless Serotine	Sooty Tern
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.

Sooty Tern

Habitat

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

Range

Widely distributed across Europe (Denmark, Norway, Sweden), North America (United States), and South America (Colombia, Venezuela).