Common Cuckoo vs Lesser Cuckoo

Cuculus canorus compared with Cuculus poliocephalus

Key Differences

• Common Cuckoo is Near Threatened while Lesser Cuckoo is Least Concern.

Taxonomic Classification

Rank	Common Cuckoo	Lesser Cuckoo
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Cuculiformes (Cuculiformes)	Cuculiformes (Cuculiformes)
Family same	Cuculidae	Cuculidae
Genus same	Cuculus	Cuculus
Species	Cuculus canorus	Cuculus poliocephalus

Evolutionary Relationship

Common Cuckoo and Lesser Cuckoo share a common ancestor at the Genus level: Cuculus.

Conservation Status

Common Cuckoo

NT — Near Threatened

Lesser Cuckoo

LC — Least Concern

Physical Characteristics

Attribute	Common Cuckoo	Lesser Cuckoo
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 Cuckoo

Habitat

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

Range

Distributed across Norway and Taiwan.

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 1 countries:

🇳🇴 Norway