Bolivian red howler vs Polar bear

Alouatta sara compared with Ursus maritimus

Key Differences

• Bolivian red howler is Near Threatened while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Bolivian red howler	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Carnivora (Carnivorans)
Family	Atelidae	Ursidae (Bears)
Genus	Alouatta	Ursus (Bears)
Species	Alouatta sara	Ursus maritimus

Evolutionary Relationship

Bolivian red howler and Polar bear share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Bolivian red howler

NT — Near Threatened

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Bolivian red howler	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Bolivian red howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Bolivian red howler

The Bolivian red howler (Alouatta sara) is a species in the genus Alouatta. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.