Green Anaconda vs Polar bear

Eunectes murinus compared with Ursus maritimus

Key Differences

• Green Anaconda is Least Concern while Polar bear is Vulnerable.
• Polar bear is 2.0x heavier than Green Anaconda.
• Green Anaconda lives longer (30 years vs 25 years).

Taxonomic Classification

Rank	Green Anaconda	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	Reptilia (爬行纲)	Mammalia (哺乳動物)
Order	Squamata (有鱗目)	Carnivora (食肉目)
Family	Pythonidae (Pythons)	Ursidae (Bears)
Genus	Python (Pythons)	Ursus (Bears)
Species	Eunectes murinus	Ursus maritimus

Evolutionary Relationship

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

Conservation Status

Green Anaconda

LC — Least Concern

Trend: Stable →

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Green Anaconda	Polar bear
Diet	Carnivore	Carnivore
Average Lifespan	30 years	25 years
Average Length	6.0 m	2.4 m
Average Weight	227.0 kg	450.0 kg

Habitat & Geographic Range

Green Anaconda

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Distributed across Brazil, Colombia, Ecuador, Peru, 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.

Green Anaconda

绿水蟒是世界上最重、最长的蛇类之一，栖息于南美洲的沼泽和河流中。

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。