Arctic barrel-bubble vs Bermuda Saw-whet Owl

Retusa obtusa compared with Aegolius gradyi

Key Differences

• Arctic barrel-bubble is Least Concern while Bermuda Saw-whet Owl is Extinct.

Taxonomic Classification

Rank	Arctic barrel-bubble	Bermuda Saw-whet Owl
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Cephalaspidea (Cephalaspidea)	Strigiformes (Owls)
Family	Retusidae	Strigidae (True Owls)
Genus	Retusa	Aegolius
Species	Retusa obtusa	Aegolius gradyi

Evolutionary Relationship

Arctic barrel-bubble and Bermuda Saw-whet Owl share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic barrel-bubble

LC — Least Concern

Bermuda Saw-whet Owl

EX — Extinct

Physical Characteristics

Attribute	Arctic barrel-bubble	Bermuda Saw-whet Owl
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.

Bermuda Saw-whet Owl

Habitat

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

Range

Found in Norway.

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.

Bermuda Saw-whet Owl

The Bermuda Saw-whet Owl (Aegolius gradyi) is a species in the genus Aegolius. It is currently classified as Extinct on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway