common bottlenose dolphin vs least weasel

Tursiops truncatus compared with Mustela nivalis

Key Differences

• common bottlenose dolphin is Least Concern while least weasel is Near Threatened.

Taxonomic Classification

Rank	common bottlenose dolphin	least weasel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Cetacea (Whales & Dolphins)	Carnivora (carnívoros)
Family	Delphinidae (Oceanic Dolphins)	Mustelidae (Weasels & Otters)
Genus	Tursiops (Bottlenose Dolphins)	Mustela
Species	Tursiops truncatus	Mustela nivalis

Evolutionary Relationship

common bottlenose dolphin and least weasel share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

least weasel

NT — Near Threatened

Physical Characteristics

Attribute	common bottlenose dolphin	least weasel
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).

least weasel

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 4 distinct biome types spanning the Australasia and Oceanian and Palearctic realms.

Range

Widely distributed across Africa (Sao Tome and Principe), Asia (Cyprus), Europe (11 countries), and Oceania and the Pacific (New Zealand). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

common bottlenose dolphin

A espécie de golfinho mais estudada e reconhecida, os roazes habitam oceanos quentes e temperados de todo o mundo, desde águas costeiras rasas até ao mar aberto. Altamente inteligentes com grandes cérebros em relação ao tamanho corporal, demonstram auto-reconhecimento, comunicação complexa e aprendizagem social. Vivem em sociedades fluidas de fissão-fusão e cooperam para arrebanhar peixes. Uma espécie indicadora chave da saúde dos ecossistemas marinhos.

least weasel

A Doninha-comum (Mustela nivalis) está classificada como Quase Ameaçada (NT) na Lista Vermelha da IUCN. Está próxima de se qualificar como ameaçada, com populações que podem tornar-se vulneráveis sem ação de conservação.

Shared Countries

Both species can be found in 5 countries:

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