Circular Ear Shell vs Scarlet Macaw

Haliotis cyclobates compared with Ara macao

Taxonomic Classification

Rank	Circular Ear Shell	Scarlet Macaw
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Mollusca (Mollusks)	Chordata (Chordates)
Class	Gastropoda (Gastropoda)	Aves (Birds)
Order	Lepetellida (Lepetellida)	Psittaciformes (Parrots)
Family	Haliotidae	Psittacidae (True Parrots)
Genus	Haliotis	Ara (Macaws)
Species	Haliotis cyclobates	Ara macao

Evolutionary Relationship

Circular Ear Shell and Scarlet Macaw share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Circular Ear Shell

LC — Least Concern

Scarlet Macaw

LC — Least Concern

Population: ~50.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Circular Ear Shell	Scarlet Macaw
Diet	—	Herbivore
Average Lifespan	—	50 years
Average Length	—	85 cm
Average Weight	—	1.0 kg

Habitat & Geographic Range

Circular Ear Shell

Habitat

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

Scarlet Macaw

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found across Europe (5 countries) and South America (Colombia, Ecuador, Venezuela). Population trends indicate a declining trajectory in parts of 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.

Scarlet Macaw

One of the most brilliantly colored birds in the Americas, scarlet macaws display vivid red, yellow, and blue plumage with wingspans reaching 1 meter. Found in humid lowland forests from Mexico to Bolivia, they are highly intelligent, long-lived — up to 75 years — and form lifelong pair bonds. They travel long distances to clay licks where they consume mineral-rich soil to detoxify seeds. Listed as Least Concern but locally threatened by habitat loss and the pet trade.