Arctic barrel-bubble vs Black-winged Starling

Retusa obtusa compared with Acridotheres melanopterus

Key Differences

• Arctic barrel-bubble is Least Concern while Black-winged Starling is Endangered.

Taxonomic Classification

Rank	Arctic barrel-bubble	Black-winged Starling
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Cephalaspidea (Cephalaspidea)	Passeriformes (Songbirds)
Family	Retusidae	Sturnidae
Genus	Retusa	Acridotheres
Species	Retusa obtusa	Acridotheres melanopterus

Evolutionary Relationship

Arctic barrel-bubble and Black-winged Starling share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic barrel-bubble

LC — Least Concern

Black-winged Starling

EN — Endangered

Physical Characteristics

Attribute	Arctic barrel-bubble	Black-winged Starling
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic barrel-bubble

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Arctic barrel-bubble

The Arctic barrel-bubble (Retusa obtusa) is a species in the genus Retusa. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway