The prolegs and feet of a Banded Sphinx (Eumorpha fasciatus) caterpillar clinging to a twig. Raleigh, North Carolina.

A close up of a Banded Sphinx (Eumorpha fasciatus) caterpillar. Raleigh, North Carolina.

A Banded Sphinx (Eumorpha fasciatus) caterpillar shows off its flexibility. Raleigh, North Carolina.