brittlestar vs Ours brun

Amphiura filiformis compared with Ursus arctos

Key Differences

• brittlestar is Least Concern while Ours brun is Extinct.

Taxonomic Classification

Rank	brittlestar	Ours brun
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Echinodermata (Echinoderms)	Chordata (Chordates)
Class	Ophiuroidea (Ophiuroidea)	Mammalia (mammifères)
Order	Amphilepidida (Amphilepidida)	Carnivora (carnivores)
Family	Amphiuridae	Ursidae (Bears)
Genus	Amphiura	Ursus (Bears)
Species	Amphiura filiformis	Ursus arctos

Evolutionary Relationship

brittlestar and Ours brun share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

brittlestar

LC — Least Concern

Ours brun

EX — Extinct

Population: ~200.0K

Trend: Stable →

Physical Characteristics

Attribute	brittlestar	Ours brun
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.

Ours brun

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.

Ours brun

The world's most widely distributed bear species, brown bears range from North America and Europe across Russia to Japan, occupying forests, tundra, and alpine meadows. Adults can weigh up to 700 kg in coastal Alaskan populations. Omnivores that consume berries, roots, fish, and carrion, brown bears are a keystone species that distribute nutrients across landscapes. Most populations are stable, though some subspecies are threatened.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden