Polar bear vs 茶腹隐蜂鸟

Ursus maritimus compared with Phaethornis syrmatophorus

Key Differences

Polar bear is Vulnerable while 茶腹隐蜂鸟 is Least Concern.

Taxonomic Classification

Rank	Polar bear	茶腹隐蜂鸟
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)	Apodiformes (雨燕目)
Family	Ursidae (Bears)	Trochilidae
Genus	Ursus (Bears)	Phaethornis
Species	Ursus maritimus	Phaethornis syrmatophorus

Evolutionary Relationship

Polar bear and 茶腹隐蜂鸟 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

查看 Phylum: Chordata

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

茶腹隐蜂鸟

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	茶腹隐蜂鸟
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.

茶腹隐蜂鸟

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

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。

茶腹隐蜂鸟

棕腹隐蜂鸟（Phaethornis syrmatophorus）是一种大型隐蜂鸟，栖息于秘鲁、厄瓜多尔和哥伦比亚的安第斯山麓湿润林，温暖的黄褐色下体与绿铜色上体形成对比，嘴长而弯曲。见于海拔300至1,500米的山地林下层。与所有大型隐蜂鸟一样，它们沿分散花朵的固定路线觅食。雄鸟聚集于传统求偶场，发出响亮的重复性鸣声以吸引雌鸟。