My two horses, the chickens, and our barn cat were pretty unconcerned despite it being an especially loud year. My two indoor cats weren't super happy but they did ok as well. Our friend's horse was another story. We take him every year because it's like World War III down at her place and years ago he ran through their fence and almost had to be put down due to his injuries. Last night I went out to check on him and he was nowhere to be seen so I walked down to the field and found him hiding in the bushes behind the only two trees in the pasture. I felt terrible for the poor guy but I have to admit it was kind of a funny sight to see a huge half-draft horse completely concealed in the brush with only his head visible in the dark!