Today I heard my 23 girls cackling up a storm. They went on for about 5 minutes. I went to the window and saw all of them looking one way, but I couldn't see what was in their line of sight. By the time I got to the other window, I thought I saw a cat go into my daughter's playhouse. The girls wouldn't stop fussing, so I ran downstairs and grabbed a broom to take with me outside. By the time I got to the playhouse, whatever it was had taken off. I told the girl in the run and then the coop and to be quiet. I was surprised when they all stopped squawking. Not another peep out of them. My question is this: would a stray cat get them all riled up like that?