ocr: DID YOU KNOW? The smallest teathers are found on the bee hummingbird. Some ofits contour teathers are only 460 inch (0.4 mm) long. The tail teathers of the argus pheasant can grow more than 4 feet (1.2m) long and 5inches (13. - cm) wide. The domesticated jungle fowl, specially bred in Japan, has been known to grow tail teathers more than 30 feet (9m) long.