Red foxes use gekkering as a harsh, rapid vocalization during some social encounters.
Gekkering is a conspicuous fox sound made as a series of rough, staccato notes. It is particularly associated with interactions involving aggression, excitement, or disputes, including confrontations between foxes. The sound is different from the familiar fox bark and from the eerie scream-like calls often heard during the breeding season.
Fox communication combines vocal signals with scent marking, facial expressions, posture, and tail movements. Because the same species uses several call types in different situations, identifying a sound requires attention to the surrounding behavior rather than relying on a single folk description.
The red fox is widely distributed and lives in habitats ranging from farmland to cities. Urban foxes may therefore be heard making social calls near buildings, but the sound itself is not evidence that the animal is domesticated. Gekkering is a behavioral term used in descriptions of fox vocal communication.