Here’s an article to use on trivia night. It wasn’t scientists who coined fanciful names like “a charm of hummingbirds” or “a cauldron of bats.” Rather, 15th-century Englishmen would come up with names for animal gangs while hunting. Bloat, gaggle, murder and shrewdness all denote groups of animals too.
Source: Word Genius, May 2021. Link.