Pato coacoxtle vs Oso Polar

Aythya valisineria compared with Ursus maritimus

Key Differences

• Pato coacoxtle is Not Evaluated while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Pato coacoxtle	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Aves (Birds)	Mammalia (mamíferos)
Order	Anseriformes (Anseriformes)	Carnivora (carnívoros)
Family	Anatidae	Ursidae (Bears)
Genus	Aythya	Ursus (Bears)
Species	Aythya valisineria	Ursus maritimus

Evolutionary Relationship

Pato coacoxtle and Oso Polar share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Pato coacoxtle

NE — Not Evaluated

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Pato coacoxtle	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Pato coacoxtle

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and North America (United States).

Oso Polar

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 coacoxtle

El pato coacoxtle (Aythya valisineria) está clasificado como No Evaluado (NE) en la Lista Roja de la UICN. Aún no ha sido evaluado según los criterios de la Lista Roja de la UICN. Su estado de conservación está por determinarse.

Oso Polar

El mayor carnivoro terrestre de la Tierra, el oso polar puede superar los 700 kg y se encuentra en el hielo marino del Artico, desde Canada hasta Rusia. Es un mamifero marino altamente especializado que depende del hielo marino para cazar focas anilladas y barbadas. Excelente nadador capaz de cubrir grandes distancias en agua abierta. Clasificado como Vulnerable, sus poblaciones soportan una presion severa por la rapida perdida de hielo marino artico debida al cambio climatico.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway