brittlestar vs Common Raven

Amphiura filiformis compared with Corvus corax

Key Differences

brittlestar is Least Concern while Common Raven is Not Evaluated.

Taxonomic Classification

Rank	brittlestar	Common Raven
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Echinodermata (Echinoderms)	Chordata (Chordates)
Class	Ophiuroidea (Ophiuroidea)	Aves (Birds)
Order	Amphilepidida (Amphilepidida)	Passeriformes (Songbirds)
Family	Amphiuridae	Corvidae (Crows & Ravens)
Genus	Amphiura	Corvus (Crows & Ravens)
Species	Amphiura filiformis	Corvus corax

Evolutionary Relationship

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

View Kingdom: Animalia

Conservation Status

brittlestar

LC — Least Concern

Common Raven

NE — Not Evaluated

Population: ~16.0M

Trend: Increasing ↑

Physical Characteristics

Attribute	brittlestar	Common Raven
Diet	—	Omnivore
Average Lifespan	—	15 years
Average Length	—	60 cm
Average Weight	—	1.2 kg

Habitat & Geographic Range

brittlestar

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Common Raven

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries) and North America (United States).

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.

Common Raven

One of the most intelligent birds known, common ravens demonstrate problem-solving abilities rivaling great apes, including tool use, planning, and deceptive behavior. Found across the Northern Hemisphere from Arctic tundra to deserts, ravens are highly adaptable omnivores. They form complex social hierarchies, engage in cooperative foraging, and have been observed engaging in play. Their intelligence and black plumage have made them figures of mythology across many cultures.