Bornean Smooth-Tailed Treeshrew vs Common Seal

Dendrogale melanura compared with Phoca vitulina

Key Differences

• Bornean Smooth-Tailed Treeshrew is Data Deficient while Common Seal is Near Threatened.

Taxonomic Classification

Rank	Bornean Smooth-Tailed Treeshrew	Common Seal
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Scandentia (树鼩目)	Pinnipedia (Seals & Sea Lions)
Family	Tupaiidae	Phocidae (True Seals)
Genus	Dendrogale	Phoca (Harbor Seals)
Species	Dendrogale melanura	Phoca vitulina

Evolutionary Relationship

Bornean Smooth-Tailed Treeshrew and Common Seal share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Bornean Smooth-Tailed Treeshrew

DD — Data Deficient

Common Seal

NT — Near Threatened

Population: ~500.0K

Trend: Stable →

Physical Characteristics

Attribute	Bornean Smooth-Tailed Treeshrew	Common Seal
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	1.7 m
Average Weight	—	80.0 kg

Habitat & Geographic Range

Bornean Smooth-Tailed Treeshrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Seal

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (7 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Common Seal

分布最广的鳍足类动物港海豹（Phoca vitulina）栖居于北大西洋和北太平洋温带及亚北极沿海水域。成体体重可达130千克，在海中捕食鱼类、鱿鱼和甲壳动物，并在沙滩或礁岩上休息，两者时间大致相当。大而富有表情的眼睛适应于弱光下的水下视觉。港海豹是虎鲸、鲨鱼和北极熊的重要食物来源。