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 (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Reptilia (爬虫類)	Mammalia (哺乳類)
Order	Squamata (有鱗目)	Carnivora (ネコ目)
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. (脊索動物)

表示 Phylum: Chordata

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

グリーンアナコンダは世界で最も重く、最も長いヘビの一つです。南アメリカの沼地や川に生息しています。

Polar bear

地球上で最大の陸上肉食動物であるホッキョクグマは700kgを超えることがあり、カナダからロシアまでの北極海氷域全体に分布する。ワモンアザラシとヒゲアザラシを狩るために海氷に依存する高度に特化した海洋哺乳類である。広大な距離を泳ぐことができる優れた泳者でもある。脆弱種に指定されており、気候変動による急激な北極海氷の消失で個体群が深刻な圧力を受けている。