Common Cuckoo vs Lesser Noctule

Cuculus canorus compared with Nyctalus leisleri

Key Differences

• Common Cuckoo is Near Threatened while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Common Cuckoo	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Cuculiformes (Cuculiformes)	Chiroptera (Bats)
Family	Cuculidae	Vespertilionidae
Genus	Cuculus	Nyctalus
Species	Cuculus canorus	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

Common Cuckoo

NT — Near Threatened

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Common Cuckoo	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Cuckoo

Habitat

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

Range

Found across Europe (6 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Common Cuckoo

Common Cuckoo (Cuculus canorus) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.

Shared Countries

Both species can be found in 4 countries:

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