Model on sale at TurboSquid:
http://www.turbosquid.com/3d-models/3d-model-realistic-king-cobra--/1058628
I modeled the king cobra snake in Maya and sculpted it in Zbrush.
The model has been polypainted and composited in Photoshop for color correction and other tweaks.
The renderer that I utilized is Mental Ray
the model is fully rigged and animation ready!
Tips to animate my custom 3D Cobra Rig