Braune Hydra vs Eisbär

Hydra oligactis compared with Ursus maritimus

Key Differences

Braune Hydra is Not Evaluated while Eisbär is Vulnerable.

Taxonomic Classification

Rank	Braune Hydra	Eisbär
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Cnidaria (Nesseltiere)	Chordata (Chordatiere)
Class	Hydrozoa (Hydrozoen)	Mammalia (Säugetiere)
Order	Anthoathecata (Anthoathecata)	Carnivora (Raubtiere)
Family	Hydridae	Ursidae (Bears)
Genus	Hydra	Ursus (Bears)
Species	Hydra oligactis	Ursus maritimus

Evolutionary Relationship

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

Ansehen Kingdom: Animalia

Conservation Status

Braune Hydra

NE — Not Evaluated

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Braune Hydra	Eisbär
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Braune Hydra

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

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.

Braune Hydra

The Brown Hydra (Hydra oligactis) is a species in the genus Hydra. Native to Europe, inhabiting ecosystems characteristic of the region. Distributed across Denmark, Norway, and Sweden. As a member of the Hydra genus, this species contributes to biodiversity in its native range.

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.