Great Blue/Cocoi Heron vs Purple Heron

Ardea herodias compared with Ardea purpurea

Key Differences

• Great Blue/Cocoi Heron is Least Concern while Purple Heron is Not Evaluated.

Taxonomic Classification

Rank	Great Blue/Cocoi Heron	Purple Heron
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class same	Aves (طيور)	Aves (طيور)
Order same	Pelecaniformes (بجعيات)	Pelecaniformes (بجعيات)
Family same	Ardeidae	Ardeidae
Genus same	Ardea	Ardea
Species	Ardea herodias	Ardea purpurea

Evolutionary Relationship

Great Blue/Cocoi Heron and Purple Heron share a common ancestor at the Genus level: Ardea.

Conservation Status

Great Blue/Cocoi Heron

LC — Least Concern

Purple Heron

NE — Not Evaluated

Physical Characteristics

Attribute	Great Blue/Cocoi Heron	Purple Heron
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).

Purple Heron

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Purple Heron

Purple Heron (Ardea purpurea) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 2 countries:

🇧🇪 Belgium 🇳🇴 Norway