Polar bear vs Ruddy Shelduck

Ursus maritimus compared with Tadorna ferruginea

Key Differences

• Polar bear is Vulnerable while Ruddy Shelduck is Not Evaluated.

Taxonomic Classification

Rank	Polar bear	Ruddy Shelduck
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Mammalia (포유류)	Aves (새)
Order	Carnivora (식육목)	Anseriformes (기러기목)
Family	Ursidae (Bears)	Anatidae
Genus	Ursus (Bears)	Tadorna
Species	Ursus maritimus	Tadorna ferruginea

Evolutionary Relationship

Polar bear and Ruddy Shelduck share a common ancestor at the Phylum level: Chordata. (척삭동물)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Ruddy Shelduck

NE — Not Evaluated

Physical Characteristics

Attribute	Polar bear	Ruddy Shelduck
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.

Ruddy Shelduck

Habitat

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

Range

Widely distributed across Asia (Israel, Taiwan), Europe (19 countries), and North America (United States).

Polar bear

지구상에서 가장 큰 육상 육식동물인 북극곰은 700kg을 넘을 수 있으며 캐나다에서 러시아까지 북극 해빙 전역에 분포한다. 고리 물범과 수염 물범을 사냥하기 위해 해빙에 의존하는 고도로 특수화된 해양 포유류이다. 광활한 거리를 헤엄쳐 다닐 수 있는 뛰어난 수영 실력을 가지고 있다. 취약종으로 등재되어 있으며, 기후 변화로 인한 급격한 북극 해빙 감소로 심각한 압력을 받고 있다.

Ruddy Shelduck

Ruddy Shelduck(Tadorna ferruginea)은 IUCN 적색 목록에서 미평가(NE)로 분류된다. 아직 IUCN 적색 목록 기준에 따라 평가되지 않았으며 보전 상태는 결정되어야 한다.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway