Bolsero de Baltimore vs Oso Polar

Icterus galbula compared with Ursus maritimus

Key Differences

Bolsero de Baltimore is Least Concern while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Bolsero de Baltimore	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Aves (Birds)	Mammalia (mamíferos)
Order	Passeriformes (paseriformes)	Carnivora (carnívoros)
Family	Icteridae	Ursidae (Bears)
Genus	Icterus	Ursus (Bears)
Species	Icterus galbula	Ursus maritimus

Evolutionary Relationship

Bolsero de Baltimore and Oso Polar share a common ancestor at the Phylum level: Chordata. (cordados)

Vista Phylum: Chordata

Conservation Status

Bolsero de Baltimore

LC — Least Concern

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Bolsero de Baltimore	Oso Polar
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Bolsero de Baltimore

Habitat

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

Range

Widely distributed across Europe (6 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.

Bolsero de Baltimore

El chorlo de Baltimore (Icterus galbula) es un colorido pájaro cantor del este de Norteamérica, donde los machos destacan por su brillante plumaje naranja y negro. Su estado de conservación es de preocupación menor (LC), es el pájaro estatal de Maryland (EE.UU.) y es famoso por sus elaborados nidos colgantes tejidos.

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.