Posted 6/11/2022 15:16 (#9700629 - in reply to #9700627) Subject: RE: Good Mud Daubers
Floyd County, Iowa
Looks like birds (swallows) to me. I think those are little bird beaks sticking out of many of the nests.
And, yup, around here mud daubers are wasps that make the "egg incubation tubes" (they don't really have a nest) out of mud.