Caterpillars are typically soft and cylindrical and often have colorful colors, which usually warn of their toxicity or unpleasant taste.
Nikon D7100 Camera, Nikkor 40mm lens. (Macro)
1st photo ISO 110; T. Exp. 1 / 250sec; F.8 (Back)
2nd ISO 100 photo; T. Exp. 1 / 320sec; F.8