A beautiful Calico Flower or Elegant Dutchman's Pipe, Aristolochia littoralis, in the Atitlan Nature Reserve near Panajachel, Guatemala.

A female Pale-spotted Swallowtail Butterfly, Papilio erostratus, in the Atitlan Nature Reserve near Panajachel, Guatemala. The females have pink spots, while the males have white ones. This butterfl...