vs Polar bear

Mycena tintinnabulum compared with Ursus maritimus

Key Differences

  • is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank Polar bear
Kingdom Fungi (菌界) Animalia (動物)
Phylum Basidiomycota (担子菌門) Chordata (脊索動物)
Class Agaricomycetes (真正担子菌綱) Mammalia (哺乳類)
Order Agaricales (ハラタケ目) Carnivora (ネコ目)
Family Mycenaceae Ursidae (Bears)
Genus Mycena Ursus (Bears)
Species Mycena tintinnabulum Ursus maritimus

Conservation Status

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Denmark, Norway, Portugal, and Sweden.

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.

Mycena tintinnabulumはMycenaceae科に属する小型で繊細なキノコで、最も懸念が低い(LC)と評価されている。冬季に枯れ木、特にナラの切り株に密集した群落を形成して生育する。釣鐘型の傘と独特の生息地は、広葉樹林生態系においてこの属の識別しやすい構成員にしている。

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。

Shared Countries

Both species can be found in 1 countries:

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