All photographs copyright (2003-2013) by Kris H. Light

These <strong>Tiger Swallowtail</strong> (<em>Pterourus glaucus</em>) and the <strong>Pipevine Swallowtail</strong> butterflies were seen "puddling" at a parking area in the Smokies. Large groups of male butterflies congregate at spots where animals (h...
These Tiger Swallowtail (Pterourus glaucus) and the Pipevine Swallowtail butterflies were seen "puddling" at a parking area in the Smokies. Large groups of male butterflies congregate at spots where animals (horses, in this case) have defecated or urinated. The male butterflies obtain salts and other minerals from droppings and urine, they pass them on to the females during mating.

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