This event is guaranteed to be chosen if no other event was, but has a 50% chance of doing nothing. The event randomly chooses one [[barn]] or [[coop]] whose door is open with some animals outdoors (each with a chance equal to ''1 / number of buildings'', 例えば、100% if you have one building and 50% for two).
A unique sound of dogs plays, and one animal left outside of the selected building disappears permanently. All other animals show a message indicating "something bad happened last night", but are otherwise unaffected.