Bornean Smooth-Tailed Treeshrew vs common bottlenose dolphin

Dendrogale melanura compared with Tursiops truncatus

Key Differences

• Bornean Smooth-Tailed Treeshrew is Data Deficient while common bottlenose dolphin is Least Concern.

Taxonomic Classification

Rank	Bornean Smooth-Tailed Treeshrew	common bottlenose dolphin
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Scandentia (อันดับกระแต)	Cetacea (Whales & Dolphins)
Family	Tupaiidae	Delphinidae (Oceanic Dolphins)
Genus	Dendrogale	Tursiops (Bottlenose Dolphins)
Species	Dendrogale melanura	Tursiops truncatus

Evolutionary Relationship

Bornean Smooth-Tailed Treeshrew and common bottlenose dolphin share a common ancestor at the Class level: Mammalia. (สัตว์เลี้ยงลูกด้วยน้ำนม)

Conservation Status

Bornean Smooth-Tailed Treeshrew

DD — Data Deficient

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Bornean Smooth-Tailed Treeshrew	common bottlenose dolphin
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Bornean Smooth-Tailed Treeshrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

common bottlenose dolphin

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

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 bottlenose dolphin

The most studied and recognized dolphin species, bottlenose dolphins inhabit warm and temperate oceans worldwide, from coastal shallows to the open sea. Highly intelligent with large brains relative to body size, they demonstrate self-recognition, complex communication, and social learning. They live in fluid fission-fusion societies and cooperate to herd fish. A keystone indicator species for marine ecosystem health.