Hawk Weathervane. Hawk Weathervane For centuries, weathervanes have been relied upon to indicate wind direction in order to predict weather patterns. Today, although still fully functional, weathervanes are also used as decorative accents. Our standard size weathervanes are the perfect complement for any home, barn, cupola or garden. Handcrafted of pure copper and brass by skilled artisans, this weathervane is a work of art. Dimensions: 19" L x 40" W x 11" H Order yours from Brookstone today!