Common palm civets rarely communicate vocally, but can meow, snarl, hiss, moan, whine, cough, call, and spit when agitated.
Common palm civets rarely communicate vocally other than when they are agitated or being attacked.
Civets are typically silent, but can make a noise that sounds similar to meows. They also snarl, hiss, moan, whine, cough, call, and spit when they are alarmed or harassed.
Sources: (Duckworth, 1997; Nelson, 2013; Rozhnov & Rozhnov, 2003)
Image: Magalhães