Circular Ear Shell vs Lesser Noctule

Haliotis cyclobates compared with Nyctalus leisleri

Key Differences

• Circular Ear Shell is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Circular Ear Shell	Lesser Noctule
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum	Mollusca (моллюски)	Chordata (хордовые)
Class	Gastropoda (брюхоногие)	Mammalia (млекопитающие)
Order	Lepetellida (Lepetellida)	Chiroptera (рукокрылые)
Family	Haliotidae	Vespertilionidae
Genus	Haliotis	Nyctalus
Species	Haliotis cyclobates	Nyctalus leisleri

Evolutionary Relationship

Circular Ear Shell and Lesser Noctule share a common ancestor at the Kingdom level: Animalia. (животные)

Conservation Status

Circular Ear Shell

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Circular Ear Shell	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Circular Ear Shell

Habitat

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

Lesser Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Circular Ear Shell

The Circular Ear Shell (Haliotis cyclobates) is a species in the genus Haliotis. It is currently classified as Least Concern on the IUCN Red List. Typically found in terrestrial and aquatic habitats including forests and freshwater.