Great Blue/Cocoi Heron vs slender facelina

Ardea herodias compared with Facelina auriculata

Key Differences

• Great Blue/Cocoi Heron is Least Concern while slender facelina is Vulnerable.

Taxonomic Classification

Rank	Great Blue/Cocoi Heron	slender facelina
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Aves (Birds)	Gastropoda (Gastropoda)
Order	Pelecaniformes (Pelecaniformes)	Nudibranchia (Nudibranchia)
Family	Ardeidae	Facelinidae
Genus	Ardea	Facelina
Species	Ardea herodias	Facelina auriculata

Evolutionary Relationship

Great Blue/Cocoi Heron and slender facelina share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Great Blue/Cocoi Heron

LC — Least Concern

slender facelina

VU — Vulnerable

Physical Characteristics

Attribute	Great Blue/Cocoi Heron	slender facelina
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Great Blue/Cocoi Heron

Habitat

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

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

slender facelina

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Great Blue/Cocoi Heron

Great Blue/Cocoi Heron (Ardea herodias) 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