Polar bear vs short-finned pilot whale

Ursus maritimus compared with Globicephala macrorhynchus

Key Differences

Polar bear is Vulnerable while short-finned pilot whale is Data Deficient.

Taxonomic Classification

Rank	Polar bear	short-finned pilot whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Carnivora (Carnivorans)	Cetacea (Whales & Dolphins)
Family	Ursidae (Bears)	Delphinidae (Oceanic Dolphins)
Genus	Ursus (Bears)	Globicephala
Species	Ursus maritimus	Globicephala macrorhynchus

Evolutionary Relationship

Polar bear and short-finned pilot whale share a common ancestor at the Class level: Mammalia. (Mammals)

View Class: Mammalia

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

short-finned pilot whale

DD — Data Deficient

Physical Characteristics

Attribute	Polar bear	short-finned pilot whale
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.

short-finned pilot whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (Norway, Portugal), and South America (Colombia, Ecuador, Venezuela).

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.