James Dunbar / Timelapse of a Tiger longwing (Heliconius hecale) forming a chrysalis. Controlled conditions. Native to South and Central America.

Michael & Patricia Fogden / Tiger Longwing (Heliconius hecale) butterfly at Lantana flowers, Costa Rica

Chris Mattison / Banded orange heliconian (Dryadula phaetusa) butterfly, wings closed. Native to Tropical America, including Florida. Captive.

Chris Mattison / Banded orange heliconian (Dryadula phaetusa) butterfly, wings open, on white background. Native to Tropical America, including Florida. Captive.

Angelo Gandolfi / Red postman butterfly (Heliconius erato) (above) and Tiger longwing (Heliconius hecale) La Paz Waterfall Gardens, Costa Rica.

Nick Hawkins / Tiger longwing butterfly (Heliconius hecale) photographed on white background, Costa Rica.

Denis-Huot / Tiger longwing blutterfly (Heliconius hecale) Hacienda Baru, Costa Rica

Denis-Huot / Tiger longwing butterfly (Heliconius hecale) on leaf with coiled proboscis, Hacienda Baru, Costa rica

Adrian Davies / Tiger longwing butterfly (Heliconius hecale) captive, from central / south america

Christian Ziegler / Left to right, from top: Nymphalid Butterfly (Mechanitis sp), Orange-spotted Tiger Clearwing (Mechanitis polymnia), Nymphalid Butterfly (Hyposcada sp), Tiger Heliconian (Heliconius ismenius), Nymphali...

Konrad Wothe / Tiger Longwing (Heliconius hecale) butterfly portrait, Costa Rica

Barry Mansell / Tiger Longwing Butterfly (Heliconius hecale) wingspan of almost 4 inches/ 10 cm, Mexico to Peruvian Amazon. Captive

Michael & Patricia Fogden / Tiger Longwing (Heliconius hecale) larva feeding on Passionvine leaf, rainforest, Costa Rica

Mark Moffett / Tiger Longwing (Heliconius hecale) butterfly eggs on plant tendril, Peruvian Amazon

Mark Moffett / Tiger Longwing (Heliconius hecale) butterfly close-up, side view, Peruvian Amazon

Mark Moffett / Tiger Longwing (Heliconius hecale) caterpillars, Peruvian Amazon

Mark Moffett / Tiger Longwing (Heliconius hecale) caterpillars, Peruvian Amazon

Thomas Marent / Tiger Longwing (Heliconius hecale) butterfly, Rio Claro Nature Reserve, Antioquia, Colombia

Thomas Marent / Tiger Longwing (Heliconius hecale) butterfly, Rio Claro Nature Reserve, Antioquia, Colombia

Denis-Huot / Tiger longwing blutterfly (Heliconius hecale) Hacienda Baru, Costa Rica

Tom Vezo / Tiger Longwing (Heliconius hecale) butterfly, Tucson Botanical Gardens, Tucson, Arizona

Joel Sartore / Photo Ark / Isabella's longwing (Eueides isabella eva) resting, portrait, Selvatura Park, Costa Rica. Captive.

Joel Sartore / Photo Ark / Isabella's longwing (Eueides isabella eva) portrait, Selvatura Park, Costa Rica. Captive.

Joel Sartore / Photo Ark / Isabella's longwing butterfly (Eueides isabella) portrait, Urku Center, Peru. Captive.

Edwin Giesbers / Two Tiger longwing butterfly (Heliconius hecale) mating on leaf edge. Captive.

Edwin Giesbers / Digital composite of Tiger longwing butterfly (Heliconius hecale), Red postman butterfly (Heliconius erato) and Banded Orange Heliconian butterfly (Dryadula phaetusa) on flower. Captive.

Edwin Giesbers / Tiger heliconian butterfly (Heliconius ismenius) resting on leaf. Captive.

Edwin Giesbers / Close up of Banded orange heliconian butterfly (Dryadula phaetusa) wing detail. Captive.

Karine Aigner / Ismenius tiger butterfly (Heliconius ismenius), Mindo, Ecuador.