Polar bear vs

Ursus maritimus compared with Trichia contorta

Key Differences

  • Polar bear is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank Polar bear
Kingdom Animalia (動物) Protozoa (原生動物)
Phylum Chordata (脊索動物) Mycetozoa
Class Mammalia (哺乳類) Myxomycetes (変形菌綱)
Order Carnivora (ネコ目) Trichiales (ケホコリ目)
Family Ursidae (Bears) Trichiaceae
Genus Ursus (Bears) Trichia
Species Ursus maritimus Trichia contorta

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

NE — Not Evaluated

Physical Characteristics

Attribute Polar bear
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.

Habitat

Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Brazil).

Polar bear

地球上で最大の陸上肉食動物であるホッキョクグマは700kgを超えることがあり、カナダからロシアまでの北極海氷域全体に分布する。ワモンアザラシとヒゲアザラシを狩るために海氷に依存する高度に特化した海洋哺乳類である。広大な距離を泳ぐことができる優れた泳者でもある。脆弱種に指定されており、気候変動による急激な北極海氷の消失で個体群が深刻な圧力を受けている。

Trichia contortaは腐朽木、特に新たに倒れた丸太の初期遷移段階で小さな円筒形〜洋梨形の子嚢果の集まりを形成する変形菌である。子嚢内の捻れた弾糸(吸湿性コイル状糸)によって識別され、胞子散布を助ける。北半球の温帯および亜寒帯林に分布する。

Shared Countries

Both species can be found in 1 countries:

Nature FYI Family

Explore more of the natural world across our sister sites.

Part of the Nature FYI family — FYIPedia