Bahamian Lesser Funnel-eared Bat vs Big Finner

Chilonatalus tumidifrons compared with Balaenoptera physalus

Key Differences

• Bahamian Lesser Funnel-eared Bat is Near Threatened while Big Finner is Endangered.

Taxonomic Classification

Rank	Bahamian Lesser Funnel-eared Bat	Big Finner
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	Natalidae	Balaenopteridae (Rorquals)
Genus	Chilonatalus	Balaenoptera (Rorquals)
Species	Chilonatalus tumidifrons	Balaenoptera physalus

Evolutionary Relationship

Bahamian Lesser Funnel-eared Bat and Big Finner share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Bahamian Lesser Funnel-eared Bat

NT — Near Threatened

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Bahamian Lesser Funnel-eared Bat	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bahamian Lesser Funnel-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Big Finner

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bahamian Lesser Funnel-eared Bat

The Bahamian Lesser Funnel-eared Bat (Chilonatalus tumidifrons) is a species in the genus Chilonatalus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Big Finner

Big Finner (Balaenoptera physalus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.