Ram、Sheep、Goat,哪个可以表示羊年?

Chinese New Year:Each new year has an animal, goodbye Year of the Horse, and now we have the Year of the 羊 (pronounced like the English word “young” and written in Chinese Pinyin alphabet as “yang”). The question in English is: Does the word signify Ram, Goat, or Sheep. I will be wishing friends all the best for the Year of the Ram