Overview

• A Koblenz resident alerted Polizei Rheinland-Pfalz at 3:00 a.m. on July 1 after hearing multiple loud cracks resembling cannon fire.
• Responding officers combed the vicinity for artillery but found no weapons or explosives.
• Investigators traced the source of the noise to a nearby pond where dozens of frogs were quacking in rapid succession.
• Police said the incident illustrated how natural acoustic mimicry can be misread as mechanical or explosive sounds.
• Officials urged citizens to keep reporting strange noises so authorities can quickly rule out real dangers.