Bartail spurdog vs Black-winged Starling

Squalus notocaudatus compared with Acridotheres melanopterus

Key Differences

• Bartail spurdog is Least Concern while Black-winged Starling is Endangered.

Taxonomic Classification

Rank	Bartail spurdog	Black-winged Starling
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Aves (Birds)
Order	Squaliformes (Squaliformes)	Passeriformes (Songbirds)
Family	Squalidae	Sturnidae
Genus	Squalus	Acridotheres
Species	Squalus notocaudatus	Acridotheres melanopterus

Evolutionary Relationship

Bartail spurdog and Black-winged Starling share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bartail spurdog

LC — Least Concern

Black-winged Starling

EN — Endangered

Physical Characteristics

Attribute	Bartail spurdog	Black-winged Starling
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bartail spurdog

Black-winged Starling

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

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

Bartail spurdog

The Bartail spurdog (Squalus notocaudatus) is a species in the genus Squalus. It is currently classified as Least Concern on the IUCN Red List.

Black-winged Starling

The Black-winged Starling (Acridotheres melanopterus) is a species in the genus Acridotheres. It is currently classified as Endangered on the IUCN Red List. Found in Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.