Oso Polar vs Small Adder's-Tongue

Ursus maritimus compared with Ophioglossum azoricum

Key Differences

Oso Polar is Vulnerable while Small Adder's-Tongue is Critically Endangered.

Taxonomic Classification

Rank	Oso Polar	Small Adder's-Tongue
Kingdom	Animalia (Animals)	Plantae (planta)
Phylum	Chordata (cordados)	Tracheophyta
Class	Mammalia (mamíferos)	Polypodiopsida (Polypodiopsida)
Order	Carnivora (carnívoros)	Ophioglossales (Ophioglossaceae)
Family	Ursidae (Bears)	Ophioglossaceae
Genus	Ursus (Bears)	Ophioglossum
Species	Ursus maritimus	Ophioglossum azoricum

Conservation Status

Oso Polar

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Small Adder's-Tongue

CR — Critically Endangered

Physical Characteristics

Attribute	Oso Polar	Small Adder's-Tongue
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.

Small Adder's-Tongue

Habitat

Inhabits boreal forests and taiga within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, Iceland, Norway, Portugal, and Sweden. Currently classified as Critically Endangered 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.