STUART WILSON / SCIENCE PHOTO LIBRARY STUART WILSON / SCIENCE PHOTO LIBRARY
Anise Swallowtail (Papilio zelicaon) Butterfly caterpillar, showing its osmeteria, or 'stinkhorns' from just behind its head. If disturbed, the caterpillar will suddenly evert these bright orange, bad smelling structures to repel predators.
Model release not required. Property release not required.