Playero dorso rojo vs Oso Polar

Calidris alpina compared with Ursus maritimus

Key Differences

• Playero dorso rojo is Least Concern while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Playero dorso rojo	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Aves (Birds)	Mammalia (mamíferos)
Order	Charadriiformes (Charadriiformes)	Carnivora (carnívoros)
Family	Scolopacidae	Ursidae (Bears)
Genus	Calidris	Ursus (Bears)
Species	Calidris alpina	Ursus maritimus

Evolutionary Relationship

Playero dorso rojo and Oso Polar share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Playero dorso rojo

LC — Least Concern

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Playero dorso rojo	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Playero dorso rojo

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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.

Playero dorso rojo

El correlimos común (Calidris alpina) está clasificado como Preocupación Menor (LC) en la Lista Roja de la UICN. Ampliamente distribuido y abundante en su área de distribución, con poblaciones estables y sin preocupaciones de conservación inmediatas.

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