Equatorial Graytail vs Great Blue/Cocoi Heron

Xenerpestes singularis compared with Ardea herodias

Key Differences

• Equatorial Graytail is Near Threatened while Great Blue/Cocoi Heron is Least Concern.

Taxonomic Classification

Rank	Equatorial Graytail	Great Blue/Cocoi Heron
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Passeriformes (Songbirds)	Pelecaniformes (Pelecaniformes)
Family	Furnariidae	Ardeidae
Genus	Xenerpestes	Ardea
Species	Xenerpestes singularis	Ardea herodias

Evolutionary Relationship

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

Conservation Status

Equatorial Graytail

NT — Near Threatened

Great Blue/Cocoi Heron

LC — Least Concern

Physical Characteristics

Attribute	Equatorial Graytail	Great Blue/Cocoi Heron
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Equatorial Graytail

Habitat

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

Range

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

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).

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 2 countries:

🇪🇨 Ecuador 🇳🇴 Norway