What Is a Group of Mules Called? – Mules Collective Nouns.

The main collective nouns for Mules are a pack, a barren, a span, and a rake. A pack is a group of Mules that are used for carrying goods, a barren is a group of four Mules, a span is a group of two Mules, and a rake is a group of three Mules. Other collective nouns for Mules include a string.