Brown Rat vs Cat

Rattus norvegicus compared with Felis catus

Key Differences

• Brown Rat is Least Concern while Cat is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Cat
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Rodentia (啮齿目)	Carnivora (食肉目)
Family	Muridae (Mice & Rats)	Felidae (Cats)
Genus	Rattus	Felis (Small Cats)
Species	Rattus norvegicus	Felis catus

Evolutionary Relationship

Brown Rat and Cat share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Brown Rat

LC — Least Concern

Cat

NE — Not Evaluated

Trend: Stable →

Physical Characteristics

Attribute	Brown Rat	Cat
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	46 cm
Average Weight	—	4.5 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).

Cat

Habitat

Inhabits deserts and xeric shrublands within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (9 countries), Asia (7 countries), Europe (11 countries), North America (13 countries), Oceania and the Pacific (11 countries), and South America (6 countries).

Brown Rat

褐家鼠（Rattus norvegicus）在IUCN红色名录中被列为无危（LC）。其分布广泛，种群数量稳定，无紧迫保护关切。

Cat

家猫是人类最成功的驯化伴侣动物之一，小型敏捷肉食动物，约10,000年前起源于近东野猫（Felis silvestris lybica）。目前有超过70个公认品种，家猫保留强烈的捕猎本能，几乎遍布地球所有陆地环境，全球估计饲养量约6亿只，是世界最受欢迎的宠物。

Shared Countries

Both species can be found in 49 countries:

🇦🇬 Antigua and Barbuda 🇦🇷 Argentina 🇦🇺 Australia 🇧🇸 Bahamas 🇧🇧 Barbados 🇧🇪 Belgium 🇧🇷 Brazil 🇨🇻 Cabo Verde 🇨🇦 Canada 🇨🇱 Chile 🇨🇴 Colombia 🇩🇰 Denmark 🇩🇲 Dominica 🇩🇴 Dominican Republic 🇪🇨 Ecuador 🇬🇶 Equatorial Guinea 🇫🇯 Fiji 🇫🇷 France 🇬🇩 Grenada 🇭🇺 Hungary 🇮🇪 Ireland 🇮🇱 Israel 🇯🇲 Jamaica 🇯🇵 Japan 🇲🇭 Marshall Islands 🇲🇺 Mauritius 🇫🇲 Micronesia 🇳🇦 Namibia 🇳🇱 Netherlands 🇳🇿 New Zealand 🇳🇴 Norway 🇵🇪 Peru 🇵🇹 Portugal 🇷🇺 Russia 🇰🇳 Saint Kitts and Nevis 🇱🇨 Saint Lucia 🇻🇨 Saint Vincent and the Grenadines 🇼🇸 Samoa 🇸🇹 Sao Tome and Principe 🇸🇨 Seychelles 🇿🇦 South Africa 🇱🇰 Sri Lanka 🇸🇪 Sweden 🇹🇼 Taiwan 🇹🇴 Tonga 🇦🇪 United Arab Emirates 🇬🇧 United Kingdom 🇺🇸 United States 🇻🇺 Vanuatu