common bottlenose dolphin vs Silky Thomasomys

Tursiops truncatus compared with Thomasomys bombycinus

Key Differences

• common bottlenose dolphin is Least Concern while Silky Thomasomys is Data Deficient.

Taxonomic Classification

Rank	common bottlenose dolphin	Silky Thomasomys
Kingdom same	Animalia (hewan)	Animalia (hewan)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mamalia)	Mammalia (mamalia)
Order	Cetacea (Whales & Dolphins)	Rodentia (hewan pengerat)
Family	Delphinidae (Oceanic Dolphins)	Cricetidae
Genus	Tursiops (Bottlenose Dolphins)	Thomasomys
Species	Tursiops truncatus	Thomasomys bombycinus

Evolutionary Relationship

common bottlenose dolphin and Silky Thomasomys share a common ancestor at the Class level: Mammalia. (mamalia)

Conservation Status

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Silky Thomasomys

DD — Data Deficient

Physical Characteristics

Attribute	common bottlenose dolphin	Silky Thomasomys
Diet	Carnivore	—
Average Lifespan	45 years	—
Average Length	3.0 m	—
Average Weight	300.0 kg	—

Habitat & Geographic Range

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).

Silky Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

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.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador