European aspen vs Polar bear

Populus tremula compared with Ursus maritimus

Key Differences

• European aspen is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	European aspen	Polar bear
Kingdom	Plantae (พืช)	Animalia (สัตว์)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (สัตว์มีแกนสันหลัง)
Class	Magnoliopsida (พืชใบเลี้ยงคู่)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Malpighiales (อันดับโนรา)	Carnivora (สัตว์กินเนื้อ)
Family	Salicaceae	Ursidae (Bears)
Genus	Populus	Ursus (Bears)
Species	Populus tremula	Ursus maritimus

Conservation Status

European aspen

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

European aspen

Habitat

Inhabits tropical and subtropical moist broadleaf forests and temperate broadleaf and mixed forests within the Indomalayan biogeographic realm.

Range

Widely distributed across Asia (Nepal), Europe (8 countries), North America (Canada, United States), and Oceania and the Pacific (Australia).

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.

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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway