how to make phtorealistic swiftlet's nest material

Support Materials and Textures
#1

nest-1.png1151×713 927 KB

How should I set up material for this , in cycle blender 2.78 CR

nest-2.png1005×614 614 KB

I tried as below

node.png1841×675 162 KB


but I just got like this , :no:

thanks for help,