Polar bear vs キバシオナガガモ

Ursus maritimus compared with Anas georgica

Key Differences

• Polar bear is Vulnerable while キバシオナガガモ is Endangered.

Taxonomic Classification

Rank	Polar bear	キバシオナガガモ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Aves (鳥類)
Order	Carnivora (ネコ目)	Anseriformes (カモ目)
Family	Ursidae (Bears)	Anatidae
Genus	Ursus (Bears)	Anas
Species	Ursus maritimus	Anas georgica

Evolutionary Relationship

Polar bear and キバシオナガガモ share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

キバシオナガガモ

EN — Endangered

Physical Characteristics

Attribute	Polar bear	キバシオナガガモ
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.

キバシオナガガモ

Habitat

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

Range

Found across Europe (6 countries) and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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。

キバシオナガガモ

キバシオナガガモ（Anas georgica）はIUCNレッドリストで絶滅危惧（EN）に分類されています。野生での絶滅の高いリスクにさらされており、個体数が大幅に減少し生存への継続的な脅威があります。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway