Eisbär vs Striped Acorn Barnacle

Ursus maritimus compared with Amphibalanus amphitrite

Key Differences

• Eisbär is Vulnerable while Striped Acorn Barnacle is Not Evaluated.

Taxonomic Classification

Rank	Eisbär	Striped Acorn Barnacle
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Arthropoda (Gliederfüßer)
Class	Mammalia (Säugetiere)	Maxillopoda (Maxillopoda)
Order	Carnivora (Raubtiere)	Sessilia (Sessilia)
Family	Ursidae (Bears)	Balanidae
Genus	Ursus (Bears)	Amphibalanus
Species	Ursus maritimus	Amphibalanus amphitrite

Evolutionary Relationship

Eisbär and Striped Acorn Barnacle share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Eisbär

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Striped Acorn Barnacle

NE — Not Evaluated

Physical Characteristics

Attribute	Eisbär	Striped Acorn Barnacle
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

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.

Striped Acorn Barnacle

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (4 countries), Europe (15 countries), North America (6 countries), Oceania and the Pacific (5 countries), and South America (4 countries).

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway