Ostrich Tail Feathers Birthday Card - Sara Miller. Ostrich Tail Feathers Birthday Card from Sara Miller London's Savannah Collection. Featuring a flamboyant ostrich showing off its flourish of fabulous tail feathers, this luxury birthday card will add a touch of opulence to their special day. Embellished with gold foil accents and embossed detailing for an added touch of opulence, this beautiful Sara Miller greeting card is certain to make them smile.