Bird flea vs Lesser Noctule

Ceratophyllus zhovtyi compared with Nyctalus leisleri

Key Differences

• Bird flea is Least Concern while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Bird flea	Lesser Noctule
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Siphonaptera (Siphonaptera)	Chiroptera (Bats)
Family	Ceratophyllidae	Vespertilionidae
Genus	Ceratophyllus	Nyctalus
Species	Ceratophyllus zhovtyi	Nyctalus leisleri

Evolutionary Relationship

Bird flea and Lesser Noctule share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bird flea

LC — Least Concern

Lesser Noctule

EN — Endangered

Physical Characteristics

Attribute	Bird flea	Lesser Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bird flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

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.

Bird flea

The Bird flea (Ceratophyllus zhovtyi) is a species in the genus Ceratophyllus. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.