brown bear vs Brown eagle-ray

Ursus arctos compared with Aetomylaeus milvus

Key Differences

• brown bear is Extinct while Brown eagle-ray is Endangered.

Taxonomic Classification

Rank	brown bear	Brown eagle-ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Carnivora (Carnivorans)	Myliobatiformes (Myliobatiformes)
Family	Ursidae (Bears)	Myliobatidae
Genus	Ursus (Bears)	Aetomylaeus
Species	Ursus arctos	Aetomylaeus milvus

Evolutionary Relationship

brown bear and Brown eagle-ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

brown bear

EX — Extinct

Population: ~200.0K

Trend: Stable →

Brown eagle-ray

EN — Endangered

Physical Characteristics

Attribute	brown bear	Brown eagle-ray
Diet	Omnivore	—
Average Lifespan	25 years	—
Average Length	2.0 m	—
Average Weight	300.0 kg	—

Habitat & Geographic Range

brown bear

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries).

Brown eagle-ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

brown bear

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.

Brown eagle-ray

The Brown Eagle-ray (Aetomylaeus milvus) is a species in the genus Aetomylaeus. It is currently classified as Endangered on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.