a Sand Martin flea vs Eurasian red squirrel

Ceratophyllus styx compared with Sciurus vulgaris

Key Differences

• a Sand Martin flea is Not Evaluated while Eurasian red squirrel is Least Concern.

Taxonomic Classification

Rank	a Sand Martin 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	Ceratophyllidae	Sciuridae (Squirrels)
Genus	Ceratophyllus	Sciurus (Tree Squirrels)
Species	Ceratophyllus styx	Sciurus vulgaris

Evolutionary Relationship

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

Conservation Status

a Sand Martin flea

NE — Not Evaluated

Eurasian red squirrel

LC — Least Concern

Physical Characteristics

Attribute	a Sand Martin flea	Eurasian red squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

a Sand Martin flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Eurasian red squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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

a Sand Martin flea

A sand martin flea (Ceratophyllus styx) is a species in the genus Ceratophyllus. 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