Andean Chilomys vs brown bear

Chilomys instans compared with Ursus arctos

Key Differences

• Andean Chilomys is Least Concern while brown bear is Extinct.

Taxonomic Classification

Rank	Andean Chilomys	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	Chilomys	Ursus (Bears)
Species	Chilomys instans	Ursus arctos

Evolutionary Relationship

Andean Chilomys and brown bear share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Andean Chilomys

LC — Least Concern

brown bear

EX — Extinct

Population: ~200.0K

Trend: Stable →

Physical Characteristics

Attribute	Andean Chilomys	brown bear
Diet	—	Omnivore
Average Lifespan	—	25 years
Average Length	—	2.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Andean Chilomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

brown bear

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries).

Andean Chilomys

The Andean Chilomys (Chilomys instans) is a species in the genus Chilomys. It is currently classified as Least Concern 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.