Polar bear vs 紅嘴相思鳥

Ursus maritimus compared with Leiothrix lutea

Key Differences

• Polar bear is Vulnerable while 紅嘴相思鳥 is Least Concern.

Taxonomic Classification

Rank	Polar bear	紅嘴相思鳥
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)	Leiothrichidae
Genus	Ursus (Bears)	Leiothrix
Species	Ursus maritimus	Leiothrix lutea

Evolutionary Relationship

Polar bear and 紅嘴相思鳥 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 ↓

紅嘴相思鳥

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	紅嘴相思鳥
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.

紅嘴相思鳥

Habitat

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

Range

Widely distributed across Africa (Togo), Asia (Japan, Taiwan, United Arab Emirates), Europe (8 countries), and North America (United States).

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。

紅嘴相思鳥

红嘴相思鸟（Leiothrix lutea）是南亚和东南亚森林的华丽鸟类，具有鲜亮橙红色嘴、橄榄绿色上体和艳丽的黄橙色喉胸及红黄色翼斑。原产于喜马拉雅山脉和中国南部，因笼养鸟贸易被引入夏威夷、欧洲和日本。在林下层和林缘以6至30只的嘈杂群体生活。尽管存在引入地区的忧虑，全球仍被列为无危。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway