Circular Ear Shell vs Red-billed Duck

Haliotis cyclobates compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Circular Ear Shell	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Lepetellida (Lepetellida)	Anseriformes (Anseriformes)
Family	Haliotidae	Anatidae
Genus	Haliotis	Anas
Species	Haliotis cyclobates	Anas erythrorhyncha

Evolutionary Relationship

Circular Ear Shell and Red-billed Duck share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Circular Ear Shell

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Circular Ear Shell	Red-billed Duck
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.

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

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.

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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.