Eastern Tiger Swallowtail Butterfly | Macro The Eastern Tiger Swallowtail feeds on the nectar of many different species of flowers. In a butterfly the proboscis is made for drinking. It curls up when not in use, but extends like a straw when the butterfly feeds. In this macro image, the proboscis can be clearly seen protruding into the flower. For the whole story with all images, see Eastern Tiger Swallowtail Butterfly | a 7 Image Story.
