Polar bear vs 里默氏黃翼綠霸鶲

Ursus maritimus compared with Tolmomyias assimilis

Key Differences

• Polar bear is Vulnerable while 里默氏黃翼綠霸鶲 is Least Concern.

Taxonomic Classification

Rank	Polar bear	里默氏黃翼綠霸鶲
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)	Tyrannidae
Genus	Ursus (Bears)	Tolmomyias
Species	Ursus maritimus	Tolmomyias assimilis

Evolutionary Relationship

Polar bear and 里默氏黃翼綠霸鶲 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 ↓

里默氏黃翼綠霸鶲

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	里默氏黃翼綠霸鶲
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.

里默氏黃翼綠霸鶲

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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。

里默氏黃翼綠霸鶲

黄缘宽嘴霸鹟（Tolmomyias assimilis）在IUCN红色名录中被列为无危（LC）物种。栖息于亚马逊河流域和圭亚那地区热带雨林的中层和树冠，是一种小型鹟类，以宽阔扁平的嘴和翼、尾羽的黄色边缘为特征。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway