Oso Polar vs Negreta ala blanca

Ursus maritimus compared with Melanitta fusca

Taxonomic Classification

Rank	Oso Polar	Negreta ala blanca
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (Birds)
Order	Carnivora (carnívoros)	Anseriformes (Anseriformes)
Family	Ursidae (Bears)	Anatidae
Genus	Ursus (Bears)	Melanitta
Species	Ursus maritimus	Melanitta fusca

Evolutionary Relationship

Oso Polar and Negreta ala blanca share a common ancestor at the Phylum level: Chordata. (cordados)

Vista Phylum: Chordata

Conservation Status

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Negreta ala blanca

VU — Vulnerable

Physical Characteristics

Attribute	Oso Polar	Negreta ala blanca
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.

Negreta ala blanca

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Negreta ala blanca

El pato negrón aliblanco (Melanitta fusca) está clasificado como Vulnerable (VU) en la Lista Roja de la UICN. Con un alto riesgo de amenaza en estado silvestre, con poblaciones en declive y creciente presión sobre su hábitat.