Each and every Winter season, a sheep’s list of horns receives a growth ring. By counting the rings, scientist can inform the age of a male sheep.Longhi, Cassandra (29 September 2021). "Why do sheep have paint on them?". Retrieved 26 January 2023. ^ a b c d e file g h i j k l m n o p q r s t u v w x Weaver ^ a b c d e f g h i j k l m n o p q r s