The most commonly used CMs reported were maintaining long grass, noise harassment, removing shrubs, brush and other diverse habitat, sharp shooting, and erecting non electric fencing. Some CMs continue to be used year after year, while others are a onetime effort entailing only annual checks or maintenance. Of the most commonly used CMs reported in the survey, maintaining long grass, noise harassment and sharp shooting require repetition. Removing diverse habitat and erecting non electric fencing are onetime efforts. However, as one respondent from a national airport noted ‘‘Wildlife control is an ongoing problem and conditions have to be continually monitored and your program has to be changed to adapt to these changes. There is not a single answer to wildlife control. Each site is different and each individual site changes from year to year’’.