Birdbeak dogfish vs Gianna’s Yellow-shouldered Bat

Deania calcea compared with Sturnira giannae

Key Differences

• Birdbeak dogfish is Near Threatened while Gianna’s Yellow-shouldered Bat is Least Concern.

Taxonomic Classification

Rank	Birdbeak dogfish	Gianna’s Yellow-shouldered Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Squaliformes (Squaliformes)	Chiroptera (Bats)
Family	Centrophoridae	Phyllostomidae
Genus	Deania	Sturnira
Species	Deania calcea	Sturnira giannae

Evolutionary Relationship

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

Conservation Status

Birdbeak dogfish

NT — Near Threatened

Gianna’s Yellow-shouldered Bat

LC — Least Concern

Physical Characteristics

Attribute	Birdbeak dogfish	Gianna’s Yellow-shouldered Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Birdbeak dogfish

Habitat

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

Range

Distributed across Chile, Norway, and Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Gianna’s Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Birdbeak dogfish

The Birdbeak dogfish (Deania calcea) is a species in the genus Deania. It is currently classified as Near Threatened on the IUCN Red List. Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.