Brown Rat vs common bottlenose dolphin

Rattus norvegicus compared with Tursiops truncatus

Taxonomic Classification

Rank	Brown Rat	common bottlenose dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Rodentia (Roedores)	Cetacea (Whales & Dolphins)
Family	Muridae (Mice & Rats)	Delphinidae (Oceanic Dolphins)
Genus	Rattus	Tursiops (Bottlenose Dolphins)
Species	Rattus norvegicus	Tursiops truncatus

Evolutionary Relationship

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

Conservation Status

Brown Rat

LC — Least Concern

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

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

Habitat & Geographic Range

Brown Rat

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 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

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).

Brown Rat

O rato-pardo (Rattus norvegicus) está classificado como Pouco Preocupante (LC) na Lista Vermelha da IUCN. Amplamente distribuído e abundante em sua área de ocorrência, com populações estáveis e sem preocupações de conservação imediatas.

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.

Shared Countries

Both species can be found in 10 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇪🇨 Ecuador 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan 🇺🇦 Ukraine 🇻🇪 Venezuela