Delfín tonina vs Oso Polar

Tursiops truncatus compared with Ursus maritimus

Key Differences

  • Delfín tonina is Least Concern while Oso Polar is Vulnerable.
  • Delfín tonina lives longer (45 years vs 25 years).

Taxonomic Classification

Rank Delfín tonina Oso Polar
Kingdom same Animalia (Animals) Animalia (Animals)
Phylum same Chordata (cordados) Chordata (cordados)
Class same Mammalia (mamíferos) Mammalia (mamíferos)
Order Cetacea (Whales & Dolphins) Carnivora (carnívoros)
Family Delphinidae (Oceanic Dolphins) Ursidae (Bears)
Genus Tursiops (Bottlenose Dolphins) Ursus (Bears)
Species Tursiops truncatus Ursus maritimus

Evolutionary Relationship

Delfín tonina and Oso Polar share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Delfín tonina

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute Delfín tonina Oso Polar
Diet Carnivore Carnivore
Average Lifespan 45 years 25 years
Average Length 3.0 m 2.4 m
Average Weight 300.0 kg 450.0 kg

Habitat & Geographic Range

Delfín tonina

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), 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.

Delfín tonina

La especie de delfín más estudiada y reconocida, los delfines mulares habitan océanos cálidos y templados de todo el mundo, desde las aguas costeras poco profundas hasta el mar abierto. Altamente inteligentes con grandes cerebros en relación con el tamaño corporal, demuestran autoreconocimiento, comunicación compleja y aprendizaje social. Viven en sociedades fluidas de fisión-fusión y cooperan para arrear peces. Una especie indicadora clave de la salud del ecosistema marino.

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:

Nature FYI Family

Explore more of the natural world across our sister sites.

Part of the Nature FYI family — FYIPedia