Oso Polar vs Avefría tero

Ursus maritimus compared with Vanellus chilensis

Key Differences

Oso Polar is Vulnerable while Avefría tero is Least Concern.

Taxonomic Classification

Rank	Oso Polar	Avefría tero
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (Birds)
Order	Carnivora (carnívoros)	Charadriiformes (Charadriiformes)
Family	Ursidae (Bears)	Charadriidae
Genus	Ursus (Bears)	Vanellus
Species	Ursus maritimus	Vanellus chilensis

Evolutionary Relationship

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

Vista Phylum: Chordata

Conservation Status

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Avefría tero

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

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.

Avefría tero

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, United Kingdom, and Venezuela.

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.

Avefría tero

El tero comun (Vanellus chilensis) esta clasificado como Preocupacion Menor (LC) en la Lista Roja de la UICN. Se distribuye ampliamente y es abundante en su area de distribucion, con poblaciones estables y sin preocupaciones inmediatas de conservacion.