Gray-bellied Cuckoo vs Lesser Noctule

Cacomantis passerinus compared with Nyctalus leisleri

Key Differences

• Gray-bellied Cuckoo is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Gray-bellied 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	Cacomantis	Nyctalus
Species	Cacomantis passerinus	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

Gray-bellied Cuckoo

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Gray-bellied Cuckoo	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-bellied Cuckoo

Habitat

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

Range

Found in Norway.

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.