a bat flea vs Polar bear

Ischnopsyllus intermedius compared with Ursus maritimus

Key Differences

a bat flea is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank	a bat flea	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Siphonaptera (Siphonaptera)	Carnivora (Carnivorans)
Family	Ischnopsyllidae	Ursidae (Bears)
Genus	Ischnopsyllus	Ursus (Bears)
Species	Ischnopsyllus intermedius	Ursus maritimus

Evolutionary Relationship

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

View Kingdom: Animalia

Conservation Status

a bat flea

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

a bat flea

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

Polar bear

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 bat flea

The a bat flea (Ischnopsyllus intermedius) is a species in the genus Ischnopsyllus. It is not yet evaluated on the IUCN Red List. It is found across Denmark, Norway, Portugal, and Sweden, inhabiting diverse terrestrial and freshwater habitats.

Polar bear

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.