I apologize for the delay in responding. I've been out of town dealing with a family issue...and I wanted to get some input from other experts!
Here is the advice I got:
The first one is a flowchart and should either be drawn (it would fit on two facing pages) or done according to the flowchart guidelines which can be found at http://www.brailleauthority.org/cbc/flowchart.html
The second got some different options: nested list, stairstep or other...explained below.
Do the diagram at the top of the page as a tactile and then list each category with c5 or centered headings. Omit the pictures and just list the names of the animals. Add a tn explaining the listing of categories.