Lesser Noctule vs Little Owl

Nyctalus leisleri compared with Athene noctua

Key Differences

• Lesser Noctule is Endangered while Little Owl is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Little Owl
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Strigiformes (Owls)
Family	Vespertilionidae	Strigidae (True Owls)
Genus	Nyctalus	Athene
Species	Nyctalus leisleri	Athene noctua

Evolutionary Relationship

Lesser Noctule and Little Owl share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Noctule

EN — Endangered

Little Owl

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Little Owl
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Noctule

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.

Little Owl

Habitat

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

Range

Found across Europe (8 countries) and Oceania and the Pacific (New Zealand).

Little Owl

Little Owl (Athene noctua) 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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇱🇺 Luxembourg 🇸🇪 Sweden