a Sand Martin flea vs Oso Polar

Ceratophyllus styx compared with Ursus maritimus

Key Differences

• a Sand Martin flea is Not Evaluated while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	a Sand Martin flea	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (artrópodos)	Chordata (cordados)
Class	Insecta (insecto)	Mammalia (mamíferos)
Order	Siphonaptera (Siphonaptera)	Carnivora (carnívoros)
Family	Ceratophyllidae	Ursidae (Bears)
Genus	Ceratophyllus	Ursus (Bears)
Species	Ceratophyllus styx	Ursus maritimus

Evolutionary Relationship

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

Conservation Status

a Sand Martin flea

NE — Not Evaluated

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	a Sand Martin flea	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 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.

Oso Polar

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable 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.

Oso Polar

El mayor carnivoro terrestre de la Tierra, el oso polar puede superar los 700 kg y se encuentra en el hielo marino del Artico, desde Canada hasta Rusia. Es un mamifero marino altamente especializado que depende del hielo marino para cazar focas anilladas y barbadas. Excelente nadador capaz de cubrir grandes distancias en agua abierta. Clasificado como Vulnerable, sus poblaciones soportan una presion severa por la rapida perdida de hielo marino artico debida al cambio climatico.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway