Circular Ear Shell vs marreca-parda

Haliotis cyclobates compared with Anas georgica

Key Differences

• Circular Ear Shell is Least Concern while marreca-parda is Endangered.

Taxonomic Classification

Rank	Circular Ear Shell	marreca-parda
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Moluscos)	Chordata (cordados)
Class	Gastropoda (Gastrópodes)	Aves (ave)
Order	Lepetellida (Lepetellida)	Anseriformes (Anseriformes)
Family	Haliotidae	Anatidae
Genus	Haliotis	Anas
Species	Haliotis cyclobates	Anas georgica

Evolutionary Relationship

Circular Ear Shell and marreca-parda share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Circular Ear Shell

LC — Least Concern

marreca-parda

EN — Endangered

Physical Characteristics

Attribute	Circular Ear Shell	marreca-parda
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.

marreca-parda

Habitat

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

Range

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

marreca-parda

O marreco-de-bico-amarelo (Anas georgica) está classificado como Em Perigo (EN) na Lista Vermelha da IUCN. Com alto risco de extinção na natureza, com declínio populacional significativo e ameaças contínuas à sua sobrevivência.