Allen's Big-eared Bat vs sei whale

Idionycteris phyllotis compared with Balaenoptera borealis

Key Differences

• Allen's Big-eared Bat is Least Concern while sei whale is Endangered.

Taxonomic Classification

Rank	Allen's Big-eared Bat	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	Idionycteris	Balaenoptera (Rorquals)
Species	Idionycteris phyllotis	Balaenoptera borealis

Evolutionary Relationship

Allen's Big-eared Bat and sei whale share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Allen's Big-eared Bat

LC — Least Concern

sei whale

EN — Endangered

Physical Characteristics

Attribute	Allen's Big-eared Bat	sei whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Allen's Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Allen's Big-eared Bat

The Allen's Big-eared Bat (Idionycteris phyllotis) is a species in the genus Idionycteris. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.