Wild horses are generally viewed as iconic symbols of the West, but officials say they have few predators and quickly overpopulate what rangelands can support.
Wyoming, which faces some of the same challenges as Vermont, has helped about 70 people return to the state since 2015 by assisting in their job searches.
U.S. Census Bureau public information officer Kristina Barrett says her office is aware of the concerns and has been working to make corrections ahead of the census.