Opossums are often perceived as silent creatures due to their nocturnal and elusive habits. While they generally maintain a quiet demeanor, this perception is not entirely accurate. Opossums do vocalize, producing a range of sounds that serve specific purposes in their communication and survival. These vocalizations become more noticeable under particular circumstances, such as when they feel threatened or during interactions with other opossums.
The Spectrum of Opossum Sounds
Opossums produce several distinct sounds. Hissing is a common sound, often described as a sharp, drawn-out expulsion of air, sometimes resembling a snake’s hiss. Growling is a low, rumbling noise, which can sound similar to a pig snort.
Opossums also make softer, more rapid sounds like clicking or chattering. Clicking noises can resemble the sound of a human clicking their tongue against their teeth. Chattering is often described as a series of rapid clicking or grinding noises.
Loud, high-pitched sounds include screeching or shrieking. These vocalizations are often described as alarming, guttural, or startling. Young opossums, known as joeys, sometimes make chirping sounds. They also produce a “sneezing” or “choo-choo” sound.
Interpreting Opossum Vocalizations
Hissing and growling are primarily defensive sounds. Opossums use these sounds when they feel threatened, cornered, or agitated, often as a warning to potential predators or other animals. These vocalizations are part of a bluffing display, aiming to appear intimidating and encourage a perceived threat to retreat. While these sounds may seem aggressive, they are typically fear-based and serve to avoid physical confrontation.
Screeching or shrieking indicates extreme distress, fear, or pain. This sound is frequently heard from young opossums when separated from their mother or severely frightened. Adult opossums may also screech if they are attacked, injured, or feeling vulnerable, such as when cornered. This startling noise can deter predators or signal extreme alarm.
Clicking and chattering sounds serve various communicative purposes. Adult opossums, particularly males, may use clicking noises to attract mates during the breeding season. Mother opossums use clicking sounds to communicate with their young, and joeys may make chirping or sneezing sounds to call for their mother’s attention, especially if separated or in need of care. These softer sounds can also indicate mild agitation or curiosity.