Polar bear vs Silky Sifaka

Ursus maritimus compared with Propithecus candidus

Key Differences

• Polar bear is Vulnerable while Silky Sifaka is Critically Endangered.

Taxonomic Classification

Rank	Polar bear	Silky Sifaka
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Carnivora (สัตว์กินเนื้อ)	Primates (อันดับวานร)
Family	Ursidae (Bears)	Indriidae
Genus	Ursus (Bears)	Propithecus
Species	Ursus maritimus	Propithecus candidus

Evolutionary Relationship

Polar bear and Silky Sifaka share a common ancestor at the Class level: Mammalia. (สัตว์เลี้ยงลูกด้วยน้ำนม)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Silky Sifaka

CR — Critically Endangered

Physical Characteristics

Attribute	Polar bear	Silky Sifaka
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.

Silky Sifaka

Habitat

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.