A relatively adequate fuck-ton of dragon references. (This contains several types of dragons; this is mainly for inspiration in recognizing the flexibility with creating dragons.)
[Note that there are GIFs in this image set; wait for them to load.]
A lovely fuck-ton of animal paw references (per request).
Reference! Reference! is a free database that collects different video clips, with categories ranging from facial expressions, to styles of fighting, and animals in motion.
You can play and pause the videos, and move through them frame-by-frame easily.
I’m freaking out, man.