Aratathomas's Yellow-shouldered Bat vs Polar bear

Sturnira aratathomasi compared with Ursus maritimus

Key Differences

• Aratathomas's Yellow-shouldered Bat is Near Threatened while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Aratathomas's Yellow-shouldered Bat	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Chiroptera (morcego)	Carnivora (carnívoros)
Family	Phyllostomidae	Ursidae (Bears)
Genus	Sturnira	Ursus (Bears)
Species	Sturnira aratathomasi	Ursus maritimus

Evolutionary Relationship

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

Conservation Status

Aratathomas's Yellow-shouldered Bat

NT — Near Threatened

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Aratathomas's Yellow-shouldered Bat	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 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.

Polar bear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

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.

Polar bear

O maior carnivoro terrestre da Terra, o urso-polar pode ultrapassar 700 kg e e encontrado pelo gelo marinho artico, do Canada ate a Russia. Mamiferos marinhos altamente especializados que dependem do gelo marinho para cacas de focas e focas-barbadas. Excelentes nadadores capazes de percorrer grandes distancias em aguas abertas. Classificado como Vulneravel, com populacoes sob severa pressao devido a rapida perda de gelo marinho artico causada pelas mudancas climaticas.