Zebra Longwing or Zebra Heliconia Butterfly, (Heliconius charitonia), feeding on a flower 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...

Three Mexican Silverspot Butterflies, Dione moneta poeyii, on a plant in the Atitlan Nature Reserve near Panajachel, Guatemala.

Winged sumac, Rhus copallinum, drupes of red fruit berries on leafy braches of a tree in autumn against a blue sky. Plants, Trees, Winged Sumac.

Winged spindle tree, Euonymus alatus, Close up of red coloured flowers growing on the tree.-

Maple, an Acer cultivar, Close view of winged seeds on twigs in winter light.

Field maple, Acer campestre, Close view of winged seeds on twigs in winter light.

Glass winged butterfly, Greta Oto feeding on Bloodflower, Asclepias curassavica. This butterfly is so called because its wings lack coloured scales and give the impression of glass.

Glass winged butterfly, Greta Oto feeding on Bloodflower, Asclepias curassavica. This butterfly is so called because its wings lack coloured scales and give the impression of glass.

Glass winged butterfly, Greta Oto on unidentified plant. This butterfly is so called because its wings lack coloured scales and give the impression of glass.

Leaf and winged seeds of Pre David's Maple, Acer davidii in sunlight.

Close view of delicately veined winged seeds or keys of Sycamore, Acer pseudoplatanus.