"Tiger Swallowtail Butterfly" by amontanaview | RedBubble

"Tiger Swallowtail Butterfly" by amontanaview | RedBubble:

Photo was taken in July near Gash Creek in the Bitterroot Mountains, Montana USA.
Canon EOS 40D 1/400s, f/6.3, ISO:400

Every year I see these butterflies at this elevation on this native plant .The plant is Spreading Dogbane.

"Two-tailed Swallowtail Butterfly" by amontanaview | RedBubble

"Two-tailed Swallowtail Butterfly" by amontanaview | RedBubble:

Two-tailed Swallowtail (Papilio multicaudata) on a ninebark shrub in the Bitterroot Mountains west of Victor, MT, USA. These visit my lilac bushes, too.
Canon EOS 7D, 1/640s, f/5.6, ISO:200, 300mm
Mallow Ninebark (Physocarpus, Rose Family)

"Swallowtail Butterfly on Syringa " by amontanaview | RedBubble

"Swallowtail Butterfly on Syringa " by amontanaview | RedBubble:

Featured photo on RedBubble 10-8-2011 The Group - Homepage Click Here