a Sand Martin flea vs gray wolf

Ceratophyllus styx compared with Canis lupus

Key Differences

• a Sand Martin flea is Not Evaluated while gray wolf is Critically Endangered.

Taxonomic Classification

Rank	a Sand Martin flea	gray wolf
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Siphonaptera (Siphonaptera)	Carnivora (Carnivorans)
Family	Ceratophyllidae	Canidae (Dogs & Wolves)
Genus	Ceratophyllus	Canis (Dogs & Wolves)
Species	Ceratophyllus styx	Canis lupus

Evolutionary Relationship

a Sand Martin flea and gray wolf share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

a Sand Martin flea

NE — Not Evaluated

gray wolf

CR — Critically Endangered

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	a Sand Martin flea	gray wolf
Diet	—	Carnivore
Average Lifespan	—	13 years
Average Length	—	1.6 m
Average Weight	—	45.0 kg

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.

gray wolf

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 13 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Seychelles), Asia (Japan), Europe (5 countries), North America (7 countries), Oceania and the Pacific (Marshall Islands, Vanuatu), and South America (5 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

gray wolf

The most widely distributed wild canid, gray wolves range from North America across Eurasia in diverse habitats including tundra, forests, and grasslands. Highly social animals living in family packs led by a dominant breeding pair. As keystone predators, wolves regulate prey populations and profoundly shape ecosystem structure, as demonstrated by their reintroduction in Yellowstone. Once heavily persecuted, populations are recovering in many regions.

Shared Countries

Both species can be found in 4 countries:

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