Great Blue/Cocoi Heron vs Mexican Duck

Ardea herodias compared with Anas diazi

Key Differences

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

Taxonomic Classification

Rank	Great Blue/Cocoi Heron	Mexican Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Pelecaniformes (Pelecaniformes)	Anseriformes (Anseriformes)
Family	Ardeidae	Anatidae
Genus	Ardea	Anas
Species	Ardea herodias	Anas diazi

Evolutionary Relationship

Great Blue/Cocoi Heron and Mexican Duck share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Great Blue/Cocoi Heron

LC — Least Concern

Mexican Duck

NE — Not Evaluated

Physical Characteristics

Attribute	Great Blue/Cocoi Heron	Mexican Duck
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).

Mexican Duck

Habitat

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

Range

Found in Norway.

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