Boreal Owl vs Long-eared Owl

Aegolius funereus compared with Asio otus

Key Differences

• Boreal Owl is Least Concern while Long-eared Owl is Data Deficient.

Taxonomic Classification

Rank	Boreal Owl	Long-eared Owl
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Strigiformes (Owls)	Strigiformes (Owls)
Family same	Strigidae (True Owls)	Strigidae (True Owls)
Genus	Aegolius	Asio
Species	Aegolius funereus	Asio otus

Evolutionary Relationship

Boreal Owl and Long-eared Owl share a common ancestor at the Family level: Strigidae. (True Owls)

Conservation Status

Boreal Owl

LC — Least Concern

Long-eared Owl

DD — Data Deficient

Physical Characteristics

Attribute	Boreal Owl	Long-eared Owl
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Boreal Owl

Habitat

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

Range

Found across Europe (6 countries) and North America (United States).

Long-eared Owl

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

Boreal Owl

The Boreal Owl (Aegolius funereus) is a species in the genus Aegolius. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Long-eared Owl

Long-eared Owl (Asio otus) is classified as Data Deficient (DD) on the IUCN Red List. Insufficient data available to assess extinction risk. Further research and field surveys are needed.

Shared Countries

Both species can be found in 6 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden 🇺🇸 United States