a party of jays Subjectjay (jays)CategoryAnimals → BirdsConfidencehighAttestationwikipedia-cited 2 sourcesWikipedia - List of animal namesU.S. Geological Survey Northern Prairie Wildlife Research Center - Common Questions: What Do You Call a Group of...?
a party of incubi JokeFanciful / unverifiedModern coinage Subjectincubus (incubi)CategorySupernatural → DemonsConfidencelowAttestationhumor-source 1 sourceWondermark #566 - Supernatural Collective Nouns (David Malki !, 2009)