They then transition to a pale green with bright patterns and to a final solid lime green stage. Sightings are ... Some trees that satiate the lime swallowtail caterpillar's appetite include ...

Swallowtail caterpillars are green once they grow large Kerry Calloway ... A defence reflex also helps at this stage: when they are touched they arch their backs and send two red horns protruding from ...

At this stage, they resemble bird droppingscamouflage ... This is a fleshy orange-yellow organ that black swallowtail caterpillars extend from their heads when they’re alarmed or threatened.