common bottlenose dolphin vs Eurasian beaver

Tursiops truncatus compared with Castor fiber

Key Differences

• common bottlenose dolphin is Least Concern while Eurasian beaver is Vulnerable.

Taxonomic Classification

Rank	common bottlenose dolphin	Eurasian beaver
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)	Castoridae (Beavers)
Genus	Tursiops (Bottlenose Dolphins)	Castor (Beavers)
Species	Tursiops truncatus	Castor fiber

Evolutionary Relationship

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

Conservation Status

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Eurasian beaver

VU — Vulnerable

Physical Characteristics

Attribute	common bottlenose dolphin	Eurasian beaver
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).

Eurasian beaver

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Eurasian beaver

Eurasian beaver (Castor fiber) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden