Arrow Clubtail vs Eisbär

Stylurus spiniceps compared with Ursus maritimus

Key Differences

• Arrow Clubtail is Least Concern while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Arrow Clubtail	Eisbär
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Arthropoda (Gliederfüßer)	Chordata (Chordatiere)
Class	Insecta (Insekten)	Mammalia (Säugetiere)
Order	Odonata (Libellen)	Carnivora (Raubtiere)
Family	Gomphidae	Ursidae (Bears)
Genus	Stylurus	Ursus (Bears)
Species	Stylurus spiniceps	Ursus maritimus

Evolutionary Relationship

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

Conservation Status

Arrow Clubtail

LC — Least Concern

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Arrow Clubtail	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Arrow Clubtail

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.

Arrow Clubtail

The Arrow Clubtail, Stylurus spiniceps, is a species. It is currently assessed 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.