Vicus Pottery Bird Stirrup Vessel, Peru, ca. 100 BCE - 200 CE. Curved beak and small round eyes. Rear spout and bridge handle in form of seated bird. Red brown ground with traces of cream. 8 1/4" high. Beak, spout rim and one toe professionally repaired, otherwise intact and in very good condition. The predominant Vicus vessel forms are bottles, including double-chambered whistling bottles. Whistles and whistling bottles were made as early as 1000 BC in Peru, and have continued to be produced throughout the centuries; they are still made by native potters today. Whistles and whistling bottles were well established in the ceramic tradition of Ecuador centuries before they first appeared in Peru, and it is likely that they were introduced into Peru from the north. A ceramic whistle is fashioned from a hollow sphere of clay, generally one to three centimeters in diameter, which has a small hole in one side. The clay tube is then positioned adjacent to the outer surface of the bottle so that as a stream of air is directed across the opening, it resonates, causing a whistling sound. Such whistling mechanisms were often incorporated into Vicus bottles. When one blows into the spout of the Vicus bottle, the air passes through the chamber and into the tube that forms the whistling mechanism, creating the whistling sound.