Bornean Smooth-Tailed Treeshrew vs Polar bear

Dendrogale melanura compared with Ursus maritimus

Key Differences

• Bornean Smooth-Tailed Treeshrew is Data Deficient while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Bornean Smooth-Tailed Treeshrew	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Scandentia (Scandentia)	Carnivora (carnívoros)
Family	Tupaiidae	Ursidae (Bears)
Genus	Dendrogale	Ursus (Bears)
Species	Dendrogale melanura	Ursus maritimus

Evolutionary Relationship

Bornean Smooth-Tailed Treeshrew and Polar bear share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Bornean Smooth-Tailed Treeshrew

DD — Data Deficient

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Bornean Smooth-Tailed Treeshrew	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Bornean Smooth-Tailed Treeshrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Bornean Smooth-Tailed Treeshrew

The Bornean Smooth-tailed Treeshrew (Dendrogale melanura) is a species in the genus Dendrogale. It is currently classified as Data Deficient 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.