Alder Flycatcher vs Great Blue/Cocoi Heron

Empidonax alnorum compared with Ardea herodias

Taxonomic Classification

Rank	Alder Flycatcher	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	Tyrannidae	Ardeidae
Genus	Empidonax	Ardea
Species	Empidonax alnorum	Ardea herodias

Evolutionary Relationship

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

Conservation Status

Alder Flycatcher

LC — Least Concern

Great Blue/Cocoi Heron

LC — Least Concern

Physical Characteristics

Attribute	Alder Flycatcher	Great Blue/Cocoi Heron
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder Flycatcher

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, United States, and Venezuela.

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).

Alder Flycatcher

Alder Flycatcher (Empidonax alnorum) 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.

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 5 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway 🇺🇸 United States 🇻🇪 Venezuela