This is a sheep.The breed of the sheep is Suffolk.They eat grass,meal and grain. These sheep are mostly common in the east of Ireland and the west of Ireland.They sleep out in the fields during summer and in the sheds in winter.
The top picture is a Ewe and her lamb and the bottom picture is a Ram which is a male and a ewe is another word for a female sheep.
This is a Texel sheep. Texel sheep are popular in the west mostly. They do and eat everything like any other sheep. Texels are usually white and they have pointy noses and ears.