Big Finner vs Ecuadorean Small-eared Shrew

Balaenoptera physalus compared with Cryptotis equatoris

Key Differences

• Big Finner is Endangered while Ecuadorean Small-eared Shrew is Least Concern.

Taxonomic Classification

Rank	Big Finner	Ecuadorean Small-eared Shrew
Kingdom same	Animalia (động vật)	Animalia (động vật)
Phylum same	Chordata (động vật có dây sống)	Chordata (động vật có dây sống)
Class same	Mammalia (lớp Thú)	Mammalia (lớp Thú)
Order	Cetacea (Whales & Dolphins)	Soricomorpha (Bộ Chuột chù)
Family	Balaenopteridae (Rorquals)	Soricidae
Genus	Balaenoptera (Rorquals)	Cryptotis
Species	Balaenoptera physalus	Cryptotis equatoris

Evolutionary Relationship

Big Finner and Ecuadorean Small-eared Shrew share a common ancestor at the Class level: Mammalia. (lớp Thú)

Conservation Status

Big Finner

EN — Endangered

Ecuadorean Small-eared Shrew

LC — Least Concern

Physical Characteristics

Attribute	Big Finner	Ecuadorean Small-eared Shrew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Ecuadorean Small-eared Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador