Polar bear vs Reticulated Python

Ursus maritimus compared with Python reticulatus

Key Differences

• Polar bear is Vulnerable while Reticulated Python is Least Concern.
• Polar bear is 6.0x heavier than Reticulated Python.

Taxonomic Classification

Rank	Polar bear	Reticulated Python
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	Mammalia (哺乳動物)	Reptilia (爬行纲)
Order	Carnivora (食肉目)	Squamata (有鱗目)
Family	Ursidae (Bears)	Pythonidae (Pythons)
Genus	Ursus (Bears)	Python (Pythons)
Species	Ursus maritimus	Python reticulatus

Evolutionary Relationship

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

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Reticulated Python

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Polar bear	Reticulated Python
Diet	Carnivore	Carnivore
Average Lifespan	25 years	25 years
Average Length	2.4 m	6.0 m
Average Weight	450.0 kg	75.0 kg

Habitat & Geographic Range

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.

Reticulated Python

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types within the Indomalayan biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Indonesia, Malaysia, Myanmar, Philippines, and Thailand.

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。

Reticulated Python

网纹蟒（Python reticulatus）是世界上最长、体重最大的蛇之一。以缠绕方式将猎物勒死。