亚马孙绿鱼狗 vs Polar bear

Chloroceryle amazona compared with Ursus maritimus

Key Differences

• 亚马孙绿鱼狗 is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	亚马孙绿鱼狗	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	Coraciiformes (佛法僧目)	Carnivora (食肉目)
Family	Alcedinidae	Ursidae (Bears)
Genus	Chloroceryle	Ursus (Bears)
Species	Chloroceryle amazona	Ursus maritimus

Evolutionary Relationship

亚马孙绿鱼狗 and Polar bear share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

亚马孙绿鱼狗

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	亚马孙绿鱼狗	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

亚马孙绿鱼狗

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.

亚马孙绿鱼狗

亚马逊翡翠鸟（Chloroceryle amazona）在IUCN红色名录中被评估为无危（LC），是南美洲最大的翡翠鸟之一，广泛分布于亚马逊流域及中美洲的溪流、河流和湖泊沿岸。该物种以俯冲入水捕鱼的高超技巧著称，常独居于低垂的枝干上守候猎物。其翠绿色的上体羽毛是鸟类中最具辨识度的色彩之一。

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