黃尾冕蜂鳥 vs Polar bear

Boissonneaua flavescens compared with Ursus maritimus

Key Differences

• 黃尾冕蜂鳥 is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	黃尾冕蜂鳥	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	Apodiformes (雨燕目)	Carnivora (食肉目)
Family	Trochilidae	Ursidae (Bears)
Genus	Boissonneaua	Ursus (Bears)
Species	Boissonneaua flavescens	Ursus maritimus

Evolutionary Relationship

黃尾冕蜂鳥 and Polar bear share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

黃尾冕蜂鳥

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	黃尾冕蜂鳥	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

黃尾冕蜂鳥

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.

黃尾冕蜂鳥

一种因温暖的浅黄色尾基和冠状虹彩头部而得名的大型健壮蜂鸟，栖息于哥伦比亚和厄瓜多尔北部安第斯山脉的云雾林和林缘，海拔1200至2800米。相对具攻击性，会守卫富含花蜜的领地并在大型开花树上觅食。相对于低地物种而言，其较大体型反映了对高海拔低温采食环境的适应。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