Polar bear vs pato-casarca

Ursus maritimus compared with Tadorna ferruginea

Key Differences

• Polar bear is Vulnerable while pato-casarca is Not Evaluated.

Taxonomic Classification

Rank	Polar bear	pato-casarca
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (ave)
Order	Carnivora (carnívoros)	Anseriformes (Anseriformes)
Family	Ursidae (Bears)	Anatidae
Genus	Ursus (Bears)	Tadorna
Species	Ursus maritimus	Tadorna ferruginea

Evolutionary Relationship

Polar bear and pato-casarca share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

pato-casarca

NE — Not Evaluated

Physical Characteristics

Attribute	Polar bear	pato-casarca
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 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.

pato-casarca

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Israel, Taiwan), Europe (19 countries), and North America (United States).

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.

pato-casarca

O pato-ferrugem (Tadorna ferruginea) esta classificado como Nao Avaliado (NE) na Lista Vermelha da UICN. Ainda nao foi avaliado com os criterios da Lista Vermelha da UICN. Seu estado de conservacao esta por ser determinado.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway