黑脚毛腿蜂鸟 vs 藍鯨

Eriocnemis derbyi compared with Balaenoptera musculus

Key Differences

• 黑脚毛腿蜂鸟 is Near Threatened while 藍鯨 is Vulnerable.

Taxonomic Classification

Rank	黑脚毛腿蜂鸟	藍鯨
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)	Cetacea (Whales & Dolphins)
Family	Trochilidae	Balaenopteridae (Rorquals)
Genus	Eriocnemis	Balaenoptera (Rorquals)
Species	Eriocnemis derbyi	Balaenoptera musculus

Evolutionary Relationship

黑脚毛腿蜂鸟 and 藍鯨 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

黑脚毛腿蜂鸟

NT — Near Threatened

藍鯨

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

Physical Characteristics

Attribute	黑脚毛腿蜂鸟	藍鯨
Diet	—	Carnivore
Average Lifespan	—	90 years
Average Length	—	30.0 m
Average Weight	—	150.0 t

Habitat & Geographic Range

黑脚毛腿蜂鸟

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

藍鯨

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

黑脚毛腿蜂鸟

黑腿绒腿蜂鸟（Eriocnemis derbyi）因雄鸟独特的黑色大腿与白色腿部羽毛簇形成强烈对比而得名，栖息于厄瓜多尔和哥伦比亚海拔1,500至3,500米的湿润山地森林和林缘。雄鸟展示翠绿色羽毛和蓝紫色尾羽。由于安第斯云雾林遭农业开垦，种群数量下降，被列为近危（NT）物种。

藍鯨

蓝鲸是地球上已知存在过的最大动物，体长可达33米，体重达200吨，其心脏单独就重达一辆小型轿车的重量。分布于各大洋，在极地觅食地和热带繁殖地之间进行迁徙。它们是滤食性动物，每日可消耗多达4吨磷虾。蓝鲸被列为濒危物种，20世纪捕鲸活动使其濒临灭绝，目前全球种群估计约为1万至2.5万头。

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway