Pete Oxford / Butterfly (Caria lampeto), Mindo Cloud Forest, western slope of Andes, Ecuador

Murray Cooper / Metalmark (Lasaia agesilas) butterfly, Ecuador

Luiz Claudio Marigo / Starry night metalmark butterfly (Echydna punctata) sucking liquid from the ground in the Amazon Upland Rainforest of Manu National Park, Cusco Department, Peru.

Thomas Marent / Malay Red Harlequin (Paralaxita damajanti) butterfly, Danum Valley Conservation Area, Borneo, Malaysia

Silvia Reiche / Duke of Burgundy (Hamearis lucina) butterfly on grass, Saint-Jory-las-Bloux, Dordogne, France

Thomas Marent / Butterfly (Sarota chrysus), Farallones de Cali, Colombia

Thomas Marent / Butterfly (Caria lampeto), Risaralda, Colombia

Thomas Marent / Malay Red Harlequin (Paralaxita damajanti), Gunung Mulu National Park, Borneo, Malaysia

Thomas Marent / Dyson's Swordtail (Rhetus dysonii) butterfly, Manu National Park, Peru

Christian Ziegler / Sangrillo (Croton billbergianus) have nectaries on their young leaves that attract Ants and Caterpillars, in this case the Caterpillar of the Yucatan Scintillant (Thisbe irenea) butterfly feeds with a...

Michael & Patricia Fogden / Jewelmark (Sarota gyas) butterfly in rainforest, Costa Rica

Mark Moffett / Jewelmark (Sarota gyas) butterfly caterpillar plies ants with a liquid excreted from its abdomen When the ants are distracted, the caterpillar feeds on the host plant, French Guiana