Polar bear vs Reticulated barnacle

Ursus maritimus compared with Amphibalanus reticulatus

Key Differences

• Polar bear is Vulnerable while Reticulated barnacle is Not Evaluated.

Taxonomic Classification

Rank	Polar bear	Reticulated barnacle
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum	Chordata (حبليات)	Arthropoda (مفصليات الأرجل)
Class	Mammalia (ثدييات)	Maxillopoda (فكيات الأرجل)
Order	Carnivora (لواحم)	Sessilia (Sessilia)
Family	Ursidae (Bears)	Balanidae
Genus	Ursus (Bears)	Amphibalanus
Species	Ursus maritimus	Amphibalanus reticulatus

Evolutionary Relationship

Polar bear and Reticulated barnacle share a common ancestor at the Kingdom level: Animalia. (حيوانات)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Reticulated barnacle

NE — Not Evaluated

Physical Characteristics

Attribute	Polar bear	Reticulated barnacle
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

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.

Reticulated barnacle

Habitat

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

Range

Widely distributed across Africa (Gambia, Nigeria, Sierra Leone), Asia (Israel, Taiwan), Europe (Belgium, France, Sweden), North America (4 countries), Oceania and the Pacific (Australia, Samoa), and South America (Brazil).

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.