Boulder Star Coral vs Polar bear

Orbicella annularis compared with Ursus maritimus

Key Differences

• Boulder Star Coral is Endangered while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Boulder Star Coral	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Cnidaria (Cnidarians)	Chordata (Chordates)
Class	Anthozoa	Mammalia (Mammals)
Order	Scleractinia (Scleractinia)	Carnivora (Carnivorans)
Family	Merulinidae	Ursidae (Bears)
Genus	Orbicella	Ursus (Bears)
Species	Orbicella annularis	Ursus maritimus

Evolutionary Relationship

Boulder Star Coral and Polar bear share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Boulder Star Coral

EN — Endangered

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Boulder Star Coral	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Boulder Star Coral

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Boulder Star Coral

The Boulder Star Coral (Orbicella annularis) is a species in the genus Orbicella. It is currently classified as Endangered on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.

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.