Lesser Noctule vs Merlin

Nyctalus leisleri compared with Falco columbarius

Key Differences

• Lesser Noctule is Endangered while Merlin is Least Concern.

Taxonomic Classification

Rank	Lesser Noctule	Merlin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Falconiformes (Falconiformes)
Family	Vespertilionidae	Falconidae
Genus	Nyctalus	Falco
Species	Nyctalus leisleri	Falco columbarius

Evolutionary Relationship

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

Conservation Status

Lesser Noctule

EN — Endangered

Merlin

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Merlin
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.

Merlin

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).

Merlin

Merlin (Falco columbarius) 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 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden