Harmless Serotine vs sei whale

Eptesicus innoxius compared with Balaenoptera borealis

Key Differences

• Harmless Serotine is Near Threatened while sei whale is Endangered.

Taxonomic Classification

Rank	Harmless Serotine	sei whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Chiroptera (Bats)	Cetacea (Whales & Dolphins)
Family	Vespertilionidae	Balaenopteridae (Rorquals)
Genus	Eptesicus	Balaenoptera (Rorquals)
Species	Eptesicus innoxius	Balaenoptera borealis

Evolutionary Relationship

Harmless Serotine and sei whale share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Harmless Serotine

NT — Near Threatened

sei whale

EN — Endangered

Physical Characteristics

Attribute	Harmless Serotine	sei whale
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.

sei whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 1 countries:

🇪🇨 Ecuador