長尾蜂鳥 vs Polar bear

Aglaiocercus kingii compared with Ursus maritimus

Key Differences

• 長尾蜂鳥 is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	長尾蜂鳥	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	Aglaiocercus	Ursus (Bears)
Species	Aglaiocercus kingii	Ursus maritimus

Evolutionary Relationship

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

Conservation Status

長尾蜂鳥

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	長尾蜂鳥	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

長尾蜂鳥

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.

長尾蜂鳥

长尾精灵蜂鸟(Aglaiocercus kingii)是装饰最为华丽的蜂鸟之一。雄性具有虹彩绿色羽毛和极度延长的带状外侧尾羽,可达22厘米,超过体长的三倍。分布于哥伦比亚和委内瑞拉安第斯云雾林海拔1400至2800米处。雄性会进行精心的展示飞行以吸引雌性。其华美的尾羽是雌性偏好驱动性选择的经典案例。

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