There are several collective nouns linked to Bats. The most common ones are a colony, a cloud, or a cauldron, while a hanger is sometimes used as well. The etymology of the collective nouns for Bats is related to their behavior. A colony of Bats refers to the large groups of Bats that roost together in caves or other dark places. A cloud of Bats describes the dense masses of Bats seen streaming through the sky together. A cauldron of Bats captures the swirling, circling motion they make as they fly.
What Is a Group of Bats Called? – Bats Collective Nouns
