棕胸山裸鼻雀 vs Polar bear

Dubusia taeniata compared with Ursus maritimus

Key Differences

• 棕胸山裸鼻雀 is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	棕胸山裸鼻雀	Polar bear
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Aves (鳥綱)	Mammalia (哺乳動物)
Order	Passeriformes (雀形目)	Carnivora (食肉目)
Family	Thraupidae	Ursidae (Bears)
Genus	Dubusia	Ursus (Bears)
Species	Dubusia taeniata	Ursus maritimus

Evolutionary Relationship

棕胸山裸鼻雀 and Polar bear share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

棕胸山裸鼻雀

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	棕胸山裸鼻雀	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

棕胸山裸鼻雀

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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.

棕胸山裸鼻雀

安第斯云雾林中的中型山地唐纳雀，下体温暖的浅橙黄色与深蓝黑色的上体和翼形成鲜明的冷暖色对比。分布于委内瑞拉至玻利维亚海拔2000至3600米的湿润山地林。成对或小群在林内和林缘中层采食果实和昆虫，常加入混合鸟群。被列为无危。

Polar bear

北极熊是地球上最大的陆地食肉动物，体重可超过700千克，分布于从加拿大到俄罗斯的北极海冰区。是高度特化的海洋哺乳动物，依赖海冰捕猎环斑海豹和髯海豹。是优秀的游泳者，能够横渡广阔的开阔水域。被列为易危种，因气候变化导致北极海冰迅速减少，种群正受到严重威胁。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway