This is the "Quad Raptor" a creature I created for my tutorial over on gumroad "CREATURE CONCEPT ART IN BLENDER". In this tutorial I go through everything from idea, to reference, to sculpt to final image. This is a follow up to my tutorial on the same topic over on youtube.
Gumroad Link: https://gum.co/CCAIB
YouTube Link: https://youtu.be/xOw0MpdedA8