Arctic barrel-bubble vs Eurasian Sparrowhawk

Retusa obtusa compared with Accipiter nisus

Taxonomic Classification

Rank	Arctic barrel-bubble	Eurasian Sparrowhawk
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Cephalaspidea (Cephalaspidea)	Accipitriformes (Hawks & Eagles)
Family	Retusidae	Accipitridae (Hawks & Eagles)
Genus	Retusa	Accipiter
Species	Retusa obtusa	Accipiter nisus

Evolutionary Relationship

Arctic barrel-bubble and Eurasian Sparrowhawk share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic barrel-bubble

LC — Least Concern

Eurasian Sparrowhawk

LC — Least Concern

Physical Characteristics

Attribute	Arctic barrel-bubble	Eurasian Sparrowhawk
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.

Eurasian Sparrowhawk

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden.

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.

Eurasian Sparrowhawk

Eurasian Sparrowhawk (Accipiter nisus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden