Aratathomas's Yellow-shouldered Bat vs Big Finner

Sturnira aratathomasi compared with Balaenoptera physalus

Key Differences

• Aratathomas's Yellow-shouldered Bat is Near Threatened while Big Finner is Endangered.

Taxonomic Classification

Rank	Aratathomas's Yellow-shouldered Bat	Big Finner
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mamalia)	Mammalia (mamalia)
Order	Chiroptera (Kelelawar)	Cetacea (Whales & Dolphins)
Family	Phyllostomidae	Balaenopteridae (Rorquals)
Genus	Sturnira	Balaenoptera (Rorquals)
Species	Sturnira aratathomasi	Balaenoptera physalus

Evolutionary Relationship

Aratathomas's Yellow-shouldered Bat and Big Finner share a common ancestor at the Class level: Mammalia. (mamalia)

Conservation Status

Aratathomas's Yellow-shouldered Bat

NT — Near Threatened

Big Finner

EN — Endangered

Physical Characteristics

Attribute	Aratathomas's Yellow-shouldered Bat	Big Finner
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aratathomas's Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Aratathomas's Yellow-shouldered Bat

The Aratathomas's Yellow-shouldered Bat (Sturnira aratathomasi) is a species in the genus Sturnira. 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.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇻🇪 Venezuela