Big Brown Bat vs Spinetail ray

Eptesicus fuscus compared with Bathyraja spinicauda

Key Differences

• Big Brown Bat is Least Concern while Spinetail ray is Near Threatened.

Taxonomic Classification

Rank	Big Brown Bat	Spinetail ray
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Elasmobranchii
Order	Chiroptera (翼手目)	Rajiformes (ガンギエイ目)
Family	Vespertilionidae	Arhynchobatidae
Genus	Eptesicus	Bathyraja
Species	Eptesicus fuscus	Bathyraja spinicauda

Evolutionary Relationship

Big Brown Bat and Spinetail ray share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Big Brown Bat

LC — Least Concern

Spinetail ray

NT — Near Threatened

Physical Characteristics

Attribute	Big Brown Bat	Spinetail ray
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.

Spinetail ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.