キタホオジロガモ vs Polar bear

Bucephala islandica compared with Ursus maritimus

Key Differences

  • キタホオジロガモ is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank キタホオジロガモ Polar bear
Kingdom same Animalia (動物) Animalia (動物)
Phylum same Chordata (脊索動物) Chordata (脊索動物)
Class Aves (鳥類) Mammalia (哺乳類)
Order Anseriformes (カモ目) Carnivora (ネコ目)
Family Anatidae Ursidae (Bears)
Genus Bucephala Ursus (Bears)
Species Bucephala islandica Ursus maritimus

Evolutionary Relationship

キタホオジロガモ and Polar bear share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

キタホオジロガモ

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute キタホオジロガモ Polar bear
Diet Carnivore
Average Lifespan 25 years
Average Length 2.4 m
Average Weight 450.0 kg

Habitat & Geographic Range

キタホオジロガモ

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (8 countries) and North America (United States).

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.

キタホオジロガモ

バロウズゴールデンアイ(Bucephala islandica)は、IUCNレッドリストで未評価(NE)とされています。まだIUCN基準で評価されておらず、保全状況は今後決定される予定です。

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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