Boyacá Spiny Rat vs brown bear

Proechimys chrysaeolus compared with Ursus arctos

Key Differences

• Boyacá Spiny Rat is Data Deficient while brown bear is Extinct.

Taxonomic Classification

Rank	Boyacá Spiny Rat	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	Echimyidae	Ursidae (Bears)
Genus	Proechimys	Ursus (Bears)
Species	Proechimys chrysaeolus	Ursus arctos

Evolutionary Relationship

Boyacá Spiny Rat and brown bear share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Boyacá Spiny Rat

DD — Data Deficient

brown bear

EX — Extinct

Population: ~200.0K

Trend: Stable →

Physical Characteristics

Attribute	Boyacá Spiny Rat	brown bear
Diet	—	Omnivore
Average Lifespan	—	25 years
Average Length	—	2.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Boyacá Spiny Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

brown bear

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries).

Boyacá Spiny Rat

The Boyacá spiny rat (Proechimys chrysaeolus) is a species in the genus Proechimys. It is currently classified as Data Deficient 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.