Cat flea vs Eurasian red squirrel

Ctenocephalides felis compared with Sciurus vulgaris

Key Differences

• Cat flea is Not Evaluated while Eurasian red squirrel is Least Concern.

Taxonomic Classification

Rank	Cat flea	Eurasian red squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Siphonaptera (Siphonaptera)	Rodentia (Rodents)
Family	Pulicidae	Sciuridae (Squirrels)
Genus	Ctenocephalides	Sciurus (Tree Squirrels)
Species	Ctenocephalides felis	Sciurus vulgaris

Evolutionary Relationship

Cat flea and Eurasian red squirrel share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Cat flea

NE — Not Evaluated

Eurasian red squirrel

LC — Least Concern

Physical Characteristics

Attribute	Cat flea	Eurasian red squirrel
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).

Eurasian red squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Asia (Georgia) and Europe (5 countries).

Cat flea

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

Eurasian red squirrel

Eurasian red squirrel (Sciurus vulgaris) 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.

Shared Countries

Both species can be found in 4 countries:

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