Cory's Shearwater vs Streaked Shearwater

Calonectris diomedea compared with Calonectris leucomelas

Key Differences

• Cory's Shearwater is Least Concern while Streaked Shearwater is Near Threatened.

Taxonomic Classification

Rank	Cory's Shearwater	Streaked Shearwater
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Procellariiformes (Procellariiformes)	Procellariiformes (Procellariiformes)
Family same	Procellariidae	Procellariidae
Genus same	Calonectris	Calonectris
Species	Calonectris diomedea	Calonectris leucomelas

Evolutionary Relationship

Cory's Shearwater and Streaked Shearwater share a common ancestor at the Genus level: Calonectris.

Conservation Status

Cory's Shearwater

LC — Least Concern

Streaked Shearwater

NT — Near Threatened

Physical Characteristics

Attribute	Cory's Shearwater	Streaked Shearwater
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cory's Shearwater

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

Streaked Shearwater

Habitat

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

Range

Distributed across Norway and Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Cory's Shearwater

Cory's Shearwater (Calonectris diomedea) 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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway