Polar bear vs Tiger

Ursus maritimus compared with Panthera tigris

Key Differences

• Polar bear is Vulnerable while Tiger is Endangered.
• Polar bear is 2.0x heavier than Tiger.
• Polar bear lives longer (25 years vs 20 years).

Taxonomic Classification

Rank	Polar bear	Tiger
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order same	Carnivora (carnívoros)	Carnivora (carnívoros)
Family	Ursidae (Bears)	Felidae (Cats)
Genus	Ursus (Bears)	Panthera (Big Cats)
Species	Ursus maritimus	Panthera tigris

Evolutionary Relationship

Polar bear and Tiger share a common ancestor at the Order level: Carnivora. (carnívoros)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Tiger

EN — Endangered

Population: ~4.5K

Trend: Increasing ↑

Physical Characteristics

Attribute	Polar bear	Tiger
Diet	Carnivore	Carnivore
Average Lifespan	25 years	20 years
Average Length	2.4 m	3.0 m
Average Weight	450.0 kg	220.0 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.

Tiger

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia and Ecuador. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Tiger

O maior felino selvagem da Terra, o tigre pode superar 300 kg e habita florestas do Extremo Oriente russo ao Sudeste Asiatico. E um predador solitario de emboscada com seu caracteristico pelo listrado de laranja e preto que fornece camuflagem na luz filtrada. Esta em Perigo Critico, com menos de 4.000 individuos restando em estado selvagem devido a caca predatoria e o desmatamento.