Lesser Noctule vs Squirrel Cuckoo

Nyctalus leisleri compared with Piaya cayana

Key Differences

• Lesser Noctule is Endangered while Squirrel Cuckoo is Least Concern.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Lesser Noctule

EN — Endangered

Squirrel Cuckoo

LC — Least Concern

Physical Characteristics

Attribute	Lesser Noctule	Squirrel Cuckoo
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.

Squirrel Cuckoo

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Squirrel Cuckoo

Squirrel Cuckoo (Piaya cayana) 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.