App: 5cms long Interesting facts: - Weight: 25 - 55 kg - Size: 65 - 80 cm - Life expectancy: 10 - 12 years / maximum of 20 years - Colours: white, grey, brown (patterned or plain) Sheep are pure herd animals. You never see them alone. The female sheep is called a ewe. Ewes do not live longer than 5 or 6 years. A typical characteristic of sheep is the coat, which is processed into wool. Sheep are ruminants like cows. Sheep regurgitate their food a few hours after eating it and chew it again thoroughly before it is finally digested in the stomach. They are not very picky with food. They eat any grass or herb that can be found on the field.