may i make a critic? well all you say are really important steps in how to draw not just animals but almosth anything. but what about the energy in the anatomy of the animals? i think is the most important part of it, there is a book call it FORCE well its not just a book but a series of books i hightly recomend those books for impruve your art skills :) and to think in the energy of the subtsed at been to draw