Marsh frog vs Oso Polar

Pelophylax ridibundus compared with Ursus maritimus

Key Differences

Marsh frog is Least Concern while Oso Polar is Vulnerable.

Taxonomic Classification

Rank	Marsh frog	Oso Polar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Amphibia (Amphibians)	Mammalia (mamíferos)
Order	Anura (Frogs & Toads)	Carnivora (carnívoros)
Family	Ranidae	Ursidae (Bears)
Genus	Pelophylax	Ursus (Bears)
Species	Pelophylax ridibundus	Ursus maritimus

Evolutionary Relationship

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

Vista Phylum: Chordata

Conservation Status

Marsh frog

LC — Least Concern

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Marsh frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found across Europe (12 countries).

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.

Marsh frog

La rana verde (Pelophylax ridibundus) esta clasificada como Preocupacion Menor (LC) en la Lista Roja de la UICN. Ampliamente distribuida y abundante en su area de distribucion, con poblaciones estables y sin preocupaciones de conservacion 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.