Attic Filled with Bat Guano in Manalapan, NJ The bats made a huge mess in this customer's attic in Manalapan, NJ. Related Content: Article: Is Bat Guano Dangerous? Article: New Jersey Homeowner's Guide to Bats Case Study: Bats make a big mess in this Monroe, NJ attic Press Release: Keep an Eye Out for Nuisance Wildlife Back to Previous Page Back to Videos