Black-billed Parrot / Black-billed Amazon vs Black-Lined Periwinkle

Amazona agilis compared with Littorina saxatilis

Key Differences

• Black-billed Parrot / Black-billed Amazon is Endangered while Black-Lined Periwinkle is Least Concern.

Taxonomic Classification

Rank	Black-billed Parrot / Black-billed Amazon	Black-Lined Periwinkle
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Aves (Birds)	Gastropoda (Gastropoda)
Order	Psittaciformes (Parrots)	Littorinimorpha (Littorinimorpha)
Family	Psittacidae (True Parrots)	Littorinidae
Genus	Amazona	Littorina
Species	Amazona agilis	Littorina saxatilis

Evolutionary Relationship

Black-billed Parrot / Black-billed Amazon and Black-Lined Periwinkle share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-billed Parrot / Black-billed Amazon

EN — Endangered

Black-Lined Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Black-billed Parrot / Black-billed Amazon	Black-Lined Periwinkle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-billed Parrot / Black-billed Amazon

Habitat

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

Range

Found in Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-Lined Periwinkle

Habitat

Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (Namibia, South Africa), Europe (5 countries), and North America (United States).

Black-billed Parrot / Black-billed Amazon

The Black-billed Parrot / Black-billed Amazon (Amazona agilis) is a species in the genus Amazona. It is currently classified as Endangered on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Black-Lined Periwinkle

The Black-Lined Periwinkle (Littorina saxatilis) is a species in the genus Littorina. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including tropical and subtropical grasslands and savannas, flooded grasslands and savannas, and deserts and xeric shrublands within the Afrotropic biogeographic realm.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway