Polar bear vs Saltwater Crocodile

Ursus maritimus compared with Crocodylus porosus

Key Differences

• Polar bear is Vulnerable while Saltwater Crocodile is Least Concern.
• Saltwater Crocodile is 2.2x heavier than Polar bear.
• Saltwater Crocodile lives longer (70 years vs 25 years).

Taxonomic Classification

Rank	Polar bear	Saltwater Crocodile
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Reptilia (réptil)
Order	Carnivora (carnívoros)	Crocodylia (Crocodilians)
Family	Ursidae (Bears)	Crocodylidae (Crocodiles)
Genus	Ursus (Bears)	Crocodylus (True Crocodiles)
Species	Ursus maritimus	Crocodylus porosus

Evolutionary Relationship

Polar bear and Saltwater Crocodile share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Saltwater Crocodile

LC — Least Concern

Population: ~300.0K

Trend: Stable →

Physical Characteristics

Attribute	Polar bear	Saltwater Crocodile
Diet	Carnivore	Carnivore
Average Lifespan	25 years	70 years
Average Length	2.4 m	6.0 m
Average Weight	450.0 kg	1.0 t

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.

Saltwater Crocodile

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Distributed across Australia, India, Indonesia, Malaysia, and Philippines.

Polar bear

O maior carnivoro terrestre da Terra, o urso-polar pode ultrapassar 700 kg e e encontrado pelo gelo marinho artico, do Canada ate a Russia. Mamiferos marinhos altamente especializados que dependem do gelo marinho para cacas de focas e focas-barbadas. Excelentes nadadores capazes de percorrer grandes distancias em aguas abertas. Classificado como Vulneravel, com populacoes sob severa pressao devido a rapida perda de gelo marinho artico causada pelas mudancas climaticas.

Saltwater Crocodile

O crocodilo-de-agua-salgada (Crocodylus porosus) e o maior reptil vivente, distribuido do leste da India ao norte da Australia.