To provide a repellent that is hygienic, prevents its effect from deteriorating due to learning by harmful birds and animals, and exhibits an excellent repellent effect for a long time.SOLUTION: A repellent according to the present invention has at least one selected from methylpropyl ketone, 2-ethyl hexanol, ethyl methyl sulfide, methyl pentyl ketone, and di-n-octyl phthalate as an active ingredient. The repellent is particularly useful as a repellent for harmful birds and animals.SELECTED DRAWING: None
展开▼