Black-tailed Deermouse vs brown bear

Peromyscus melanurus compared with Ursus arctos

Key Differences

• Black-tailed Deermouse is Endangered while brown bear is Extinct.

Taxonomic Classification

Rank	Black-tailed Deermouse	brown bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Carnivora (Carnivorans)
Family	Cricetidae	Ursidae (Bears)
Genus	Peromyscus	Ursus (Bears)
Species	Peromyscus melanurus	Ursus arctos

Evolutionary Relationship

Black-tailed Deermouse and brown bear share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Black-tailed Deermouse

EN — Endangered

brown bear

EX — Extinct

Population: ~200.0K

Trend: Stable →

Physical Characteristics

Attribute	Black-tailed Deermouse	brown bear
Diet	—	Omnivore
Average Lifespan	—	25 years
Average Length	—	2.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Black-tailed Deermouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

brown bear

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries).

Black-tailed Deermouse

The Black-tailed Deermouse (Peromyscus melanurus) is a species in the genus Peromyscus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.