The Cows

Cows, also known as cattle, are domesticated animals that belong to the class Mammalia, order Artiodactyla, and family Bovidae. They are the most common domesticated ungulate (hoofed mammal) and have been domesticated for over 10,000 years. There are hundreds of breeds of cattle, but seven main breeds of dairy cows are Ayrshire, Brown Swiss, Guernsey, Holstein, Jersey, and Milking Shorthorn. The average cow weighs 508 kg and can run at speeds of up to 40 km/h