A young mangrove skipper caterpillar on a red mangrove. It has constructed an ingenious little home from the rolled leaf. When threatened, the caterpillar simply scurries into the shelter. This one lives on Munyon Island in the Lake Worth Lagoon Estuary. Images of an adult mangrove skipper live here and in the first comment below:
www.flickr.com/photos/pondapple/7167858724/