Great Blue/Cocoi Heron vs Red-billed Duck

Ardea herodias compared with Anas erythrorhyncha

Taxonomic Classification

Rank	Great Blue/Cocoi Heron	Red-billed 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 erythrorhyncha

Evolutionary Relationship

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

Conservation Status

Great Blue/Cocoi Heron

LC — Least Concern

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Great Blue/Cocoi Heron	Red-billed 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).

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

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.

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) 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 6 countries:

🇧🇪 Belgium 🇪🇨 Ecuador 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom