Gianna’s Yellow-shouldered Bat vs Spotted Ray

Sturnira giannae compared with Bathyraja albomaculata

Key Differences

• Gianna’s Yellow-shouldered Bat is Least Concern while Spotted Ray is Vulnerable.

Taxonomic Classification

Rank	Gianna’s Yellow-shouldered Bat	Spotted 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 albomaculata

Evolutionary Relationship

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

Conservation Status

Gianna’s Yellow-shouldered Bat

LC — Least Concern

Spotted Ray

VU — Vulnerable

Physical Characteristics

Attribute	Gianna’s Yellow-shouldered Bat	Spotted 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.

Spotted Ray

Habitat

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

Range

Found in Chile. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.