brittlestar vs Oso pardo

Amphiura filiformis compared with Ursus arctos

Key Differences

• brittlestar is Least Concern while Oso pardo is Extinct.

Taxonomic Classification

Rank	brittlestar	Oso pardo
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Chordata (cordados)
Class	Ophiuroidea (Ophiuroidea)	Mammalia (mamíferos)
Order	Amphilepidida (Amphilepidida)	Carnivora (carnívoros)
Family	Amphiuridae	Ursidae (Bears)
Genus	Amphiura	Ursus (Bears)
Species	Amphiura filiformis	Ursus arctos

Evolutionary Relationship

brittlestar and Oso pardo share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

brittlestar

LC — Least Concern

Oso pardo

EX — Extinct

Population: ~200.0K

Trend: Stable →

Physical Characteristics

Attribute	brittlestar	Oso pardo
Diet	—	Omnivore
Average Lifespan	—	25 years
Average Length	—	2.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Oso pardo

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries).

brittlestar

The Brittlestar (Amphiura filiformis) is a species in the genus Amphiura. It is currently classified as Least Concern on the IUCN Red List. Native to Europe, inhabiting ecosystems characteristic of the region.

Oso pardo

La especie de oso más ampliamente distribuida del mundo; los osos pardos se extienden desde América del Norte y Europa a través de Rusia hasta Japón, ocupando bosques, tundra y prados alpinos. Los adultos pueden pesar hasta 700 kg en las poblaciones costeras de Alaska. Omnívoros que consumen bayas, raíces, peces y carroña, los osos pardos son una especie clave que distribuye nutrientes por los paisajes. La mayoría de las poblaciones son estables, aunque algunas subespecies están amenazadas.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden