灰頦隱蜂鳥 vs Polar bear

Phaethornis griseogularis compared with Ursus maritimus

Key Differences

• 灰頦隱蜂鳥 is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	灰頦隱蜂鳥	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	Phaethornis	Ursus (Bears)
Species	Phaethornis griseogularis	Ursus maritimus

Evolutionary Relationship

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

Conservation Status

灰頦隱蜂鳥

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	灰頦隱蜂鳥	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

灰頦隱蜂鳥

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.

灰頦隱蜂鳥

灰颏隐蜂鸟是一种栖息于从哥伦比亚到玻利维亚安第斯干燥和湿润森林中的小型隐蜂鸟，具有褐色背部、灰色颏部和带白色尖端中央尾羽的淡黄褐色下体——与许多蜂鸟相比色调较为朴素。栖息于海拔300至1,600米的森林内部和灌木林缘，沿系统性的捕食路线拜访开花植物。雄鸟在求偶场聚集，通过持续鸣叫吸引雌鸟。

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