Little Black Serotine vs Spinetail ray

Eptesicus andinus compared with Bathyraja spinicauda

Key Differences

• Little Black Serotine is Least Concern while Spinetail ray is Near Threatened.

Taxonomic Classification

Rank	Little Black Serotine	Spinetail ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Chiroptera (Bats)	Rajiformes (Rajiformes)
Family	Vespertilionidae	Arhynchobatidae
Genus	Eptesicus	Bathyraja
Species	Eptesicus andinus	Bathyraja spinicauda

Evolutionary Relationship

Little Black Serotine and Spinetail ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Little Black Serotine

LC — Least Concern

Spinetail ray

NT — Near Threatened

Physical Characteristics

Attribute	Little Black Serotine	Spinetail ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Little Black Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, 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.