Gianna’s Yellow-shouldered Bat vs Spinetail ray

Sturnira giannae compared with Bathyraja spinicauda

Key Differences

• Gianna’s Yellow-shouldered Bat is Least Concern while Spinetail ray is Near Threatened.

Taxonomic Classification

Rank	Gianna’s Yellow-shouldered Bat	Spinetail ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Chiroptera (Bats)	Rajiformes (Rajiformes)
Family	Phyllostomidae	Arhynchobatidae
Genus	Sturnira	Bathyraja
Species	Sturnira giannae	Bathyraja spinicauda

Evolutionary Relationship

Gianna’s Yellow-shouldered Bat and Spinetail ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gianna’s Yellow-shouldered Bat

LC — Least Concern

Spinetail ray

NT — Near Threatened

Physical Characteristics

Attribute	Gianna’s Yellow-shouldered Bat	Spinetail ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gianna’s Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.