Bird flea vs Eisbär

Ceratophyllus zhovtyi compared with Ursus maritimus

Key Differences

Bird flea is Least Concern while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Bird flea	Eisbär
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Arthropoda (Gliederfüßer)	Chordata (Chordatiere)
Class	Insecta (Insekten)	Mammalia (Säugetiere)
Order	Siphonaptera (Flöhe)	Carnivora (Raubtiere)
Family	Ceratophyllidae	Ursidae (Bears)
Genus	Ceratophyllus	Ursus (Bears)
Species	Ceratophyllus zhovtyi	Ursus maritimus

Evolutionary Relationship

Bird flea and Eisbär share a common ancestor at the Kingdom level: Animalia. (Tier)

Ansehen Kingdom: Animalia

Conservation Status

Bird flea

LC — Least Concern

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Bird flea	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Bird flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

Eisbär

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.

Bird flea

The Bird flea (Ceratophyllus zhovtyi) is a species in the genus Ceratophyllus. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Eisbär

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.