Caterpillars don’t actually breath. The extension and compression of the segments let the oxygen go in and the carbon dioxide out of the spiracles (breathing holes).
Bonus: The phenomenal rainforest background noises.
Previously from Weiller: The Lychen Katydid camouflages.
Plus, two more from Yasuni: Leaf Mimic Katydids uniquely disguised as dead & diseased leaves and butterflies that drink turtle tears for the salt content.
via Laughing Squid.