Polar bear vs 斑胸草雀

Ursus maritimus compared with Taeniopygia guttata

Key Differences

• Polar bear is Vulnerable while 斑胸草雀 is Least Concern.

Taxonomic Classification

Rank	Polar bear	斑胸草雀
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	Mammalia (哺乳動物)	Aves (鳥綱)
Order	Carnivora (食肉目)	Passeriformes (雀形目)
Family	Ursidae (Bears)	Estrildidae
Genus	Ursus (Bears)	Taeniopygia
Species	Ursus maritimus	Taeniopygia guttata

Evolutionary Relationship

Polar bear and 斑胸草雀 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

斑胸草雀

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	斑胸草雀
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.

斑胸草雀

Habitat

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

Range

Widely distributed across Europe (8 countries), Oceania and the Pacific (Australia), and South America (Colombia, Ecuador).

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。

斑胸草雀

斑胸草雀（Taeniopygia guttata）是全球最受欢迎的宠物鸟之一，原产于澳大利亚内陆干旱草原和灌木地的小型食种子鸟类。雄鸟具有栗色脸斑、斑纹胸部和橙色喙，是鸣声和鸣叫学习研究中最重要的模式动物之一。在IUCN红色名录中被列为无危（LC）物种。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway