a bird flea vs Oso Polar

Ceratophyllus rossittensis compared with Ursus maritimus

Key Differences

a bird flea is Not Evaluated while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	a bird 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 rossittensis	Ursus maritimus

Evolutionary Relationship

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

Vista Kingdom: Animalia

Conservation Status

a bird flea

NE — Not Evaluated

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	a bird flea	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

a bird flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across 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 bird flea

The a bird flea (Ceratophyllus rossittensis) is a species in the genus Ceratophyllus. It is not yet evaluated on the IUCN Red List. It is found across Denmark, Norway, and Sweden, inhabiting diverse 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.