realistic rendering of green iguana head on green background

green iguana realistic rendering hyperdetailed chiaroscuro lighting cross processing santiago calatrava photorealistic techniques portrayal background reptile wildlife nature lizard tropical exotic scales texture closeup detailed art design digital graphic visual animal fauna zoology science computer graphics head reptiles iguanas distinct physical characteristics behavior cold-blooded unique dewlap herbivorous diet surrealistic portrait sharp prickly features highlighted dark cyan hues ray tracing adding depth texture rendered maya light