Rauhfusskauz vs Kleiner Abendsegler

Aegolius funereus compared with Nyctalus leisleri

Key Differences

• Rauhfusskauz is Least Concern while Kleiner Abendsegler is Endangered.

Taxonomic Classification

Rank	Rauhfusskauz	Kleiner Abendsegler
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class	Aves (Vögel)	Mammalia (Säugetiere)
Order	Strigiformes (Eulen)	Chiroptera (Fledertiere)
Family	Strigidae (True Owls)	Vespertilionidae
Genus	Aegolius	Nyctalus
Species	Aegolius funereus	Nyctalus leisleri

Evolutionary Relationship

Rauhfusskauz and Kleiner Abendsegler share a common ancestor at the Phylum level: Chordata. (Chordatiere)

Conservation Status

Rauhfusskauz

LC — Least Concern

Kleiner Abendsegler

EN — Endangered

Physical Characteristics

Attribute	Rauhfusskauz	Kleiner Abendsegler
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Rauhfusskauz

Habitat

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

Range

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

Kleiner Abendsegler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Denmark, Luxembourg, Sweden, and Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Rauhfusskauz

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.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden 🇺🇦 Ukraine