The flutterby is the first feeder specifically designed to attract and feed butterflies butterflies react favorably to the yellow colour and flower shape the flutterby has a 12 fluid oz nectar capacity with a built in ant guard moat r r butterflies have a proboscis tongue that can reach the nectar through the holes which are made too small for bees there are also 3 areas on which to place small fruit segments which butterflies like it can hang or be pole mountedr r beautiful butterfly fe