Article / Updated 03-26-2016
Iguana communication is physical. Their words are formed by the arrangement of their body and body parts (posture), movements (stylized walking, strutting, bobbing), and use of three-dimensional space (where they're in vertical space, seeking height or flattening out). Iguanas, then, have developed a limited (in human terms) vocabulary, one that — like some spoken languages — has some very subtle nuances in pronunciation.