beech marten vs Polar bear

Martes foina compared with Ursus maritimus

Key Differences

beech marten is Least Concern while Polar bear is Vulnerable.

Taxonomic Classification

Rank	beech marten	Polar bear
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	Mustelidae (Weasels & Otters)	Ursidae (Bears)
Genus	Martes	Ursus (Bears)
Species	Martes foina	Ursus maritimus

Evolutionary Relationship

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

View Order: Carnivora

Conservation Status

beech marten

LC — Least Concern

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	beech marten	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

beech marten

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (7 countries).

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.

beech marten

A marta-das-pedras (Martes foina) está classificada como Pouco Preocupante (LC) na Lista Vermelha da IUCN. Amplamente distribuída e abundante na sua área de distribuição, com populações estáveis e sem preocupações imediatas de conservação.

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.