Flea vs Noctule

Ctenocephalides canis compared with Nyctalus noctula

Key Differences

• Flea is Not Evaluated while Noctule is Vulnerable.

Taxonomic Classification

Rank	Flea	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 canis	Nyctalus noctula

Evolutionary Relationship

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

Conservation Status

Flea

NE — Not Evaluated

Noctule

VU — Vulnerable

Physical Characteristics

Attribute	Flea	Noctule
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and North America (United States).

Noctule

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Noctule

Noctule (Nyctalus noctula) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden