Cat flea vs Lesser Noctule

Ctenocephalides felis compared with Nyctalus leisleri

Key Differences

• Cat flea is Not Evaluated while Lesser Noctule is Endangered.

Taxonomic Classification

Rank	Cat 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	Pulicidae	Vespertilionidae
Genus	Ctenocephalides	Nyctalus
Species	Ctenocephalides felis	Nyctalus leisleri

Evolutionary Relationship

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

Conservation Status

Cat flea

NE — Not Evaluated

Lesser Noctule

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Cat flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Africa (South Africa), Europe (6 countries), and North America (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.

Cat flea

The Cat flea (Ctenocephalides felis) is a species in the genus Ctenocephalides. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇸🇪 Sweden