What’s a good brush to start making fur like this?
Your work is very inspirational to me, because im new in sculpt 3d.
Can say me if you has study some of anatomy for get the details i see in your works.
How many years you need for get these level of knowledge?
Really appreciate answer this questions, and again your work is really amazing and motivational to be better artist. 
absolutely amazing works, I love the poses that you achieve in your animals, and the portraits are simply jawdropping. Congrats!