Tonguez
A suffusion of yellow
IMHO Dragons would most likely be Pelycosaur (the ancestors of the warm-blooded mammal-like reptiles) of which the most fmous is dimetordon. I've always envisaged that a double sail eventually evolved into the Dragons wings ...
anyway it would tend to favour Dragons being mammal-like (if not fully mammal)
anyway it would tend to favour Dragons being mammal-like (if not fully mammal)
