Aratathomas's Yellow-shouldered Bat vs brown bear

Sturnira aratathomasi compared with Ursus arctos

Key Differences

• Aratathomas's Yellow-shouldered Bat is Near Threatened while brown bear is Extinct.

Taxonomic Classification

Rank	Aratathomas's Yellow-shouldered Bat	brown bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Chiroptera (Bats)	Carnivora (Carnivorans)
Family	Phyllostomidae	Ursidae (Bears)
Genus	Sturnira	Ursus (Bears)
Species	Sturnira aratathomasi	Ursus arctos

Evolutionary Relationship

Aratathomas's Yellow-shouldered Bat and brown bear share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Aratathomas's Yellow-shouldered Bat

NT — Near Threatened

brown bear

EX — Extinct

Population: ~200.0K

Trend: Stable →

Physical Characteristics

Attribute	Aratathomas's Yellow-shouldered Bat	brown bear
Diet	—	Omnivore
Average Lifespan	—	25 years
Average Length	—	2.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Aratathomas's Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

brown bear

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries).

Aratathomas's Yellow-shouldered Bat

The Aratathomas's Yellow-shouldered Bat (Sturnira aratathomasi) is a species in the genus Sturnira. It is currently classified as Near Threatened 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.