仓鸮 vs Polar bear

Tyto alba compared with Ursus maritimus

Key Differences

• 仓鸮 is Least Concern while Polar bear is Vulnerable.
• Polar bear is 900.0x heavier than 仓鸮.
• Polar bear lives longer (25 years vs 4 years).

Taxonomic Classification

Rank	仓鸮	Polar bear
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Aves (鳥綱)	Mammalia (哺乳動物)
Order	Strigiformes (鸮形目)	Carnivora (食肉目)
Family	Tytonidae	Ursidae (Bears)
Genus	Tyto	Ursus (Bears)
Species	Tyto alba	Ursus maritimus

Evolutionary Relationship

仓鸮 and Polar bear share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

仓鸮

LC — Least Concern

Trend: Decreasing ↓

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	仓鸮	Polar bear
Diet	Carnivore	Carnivore
Average Lifespan	4 years	25 years
Average Length	35 cm	2.4 m
Average Weight	500 g	450.0 kg

Habitat & Geographic Range

仓鸮

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Widely distributed across Africa (Seychelles), Europe (6 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Population trends indicate a declining trajectory in parts of 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.

仓鸮

仓鸮（Tyto alba）是地球上分布最广泛的猫头鹰种类，除南极洲外遍布各大洲，栖息于从热带雨林到温带农田的几乎所有生境类型。其心形脸盘可将声音汇集至非对称排列的耳部，使其能在完全黑暗中仅凭声音定位猎物。它们将猎物整个吞下，再将不可消化的骨骼和毛发压缩成食丸吐出，是农业中珍贵的鼠类防治帮手。

Polar bear

北极熊是地球上最大的陆地食肉动物，体重可超过700千克，分布于从加拿大到俄罗斯的北极海冰区。是高度特化的海洋哺乳动物，依赖海冰捕猎环斑海豹和髯海豹。是优秀的游泳者，能够横渡广阔的开阔水域。被列为易危种，因气候变化导致北极海冰迅速减少，种群正受到严重威胁。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway