Big Brown Bat vs St. James' shell

Eptesicus fuscus compared with Pecten maximus

Taxonomic Classification

Rank	Big Brown Bat	St. James' shell
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Bivalvia (Bivalvia)
Order	Chiroptera (Bats)	Pectinida (Pectinida)
Family	Vespertilionidae	Pectinidae
Genus	Eptesicus	Pecten
Species	Eptesicus fuscus	Pecten maximus

Evolutionary Relationship

Big Brown Bat and St. James' shell share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Big Brown Bat

LC — Least Concern

St. James' shell

LC — Least Concern

Physical Characteristics

Attribute	Big Brown Bat	St. James' shell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big Brown Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Colombia, Ecuador, United States, and Venezuela.

St. James' shell

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (China), Europe (8 countries), and South America (Chile).

Big Brown Bat

The Big Brown Bat (Eptesicus fuscus) is a species in the genus Eptesicus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

St. James' shell

St. James' shell (Pecten maximus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 1 countries:

🇧🇪 Belgium