I finally finished!
I was worried that U-Z would be difficult, but I actually really enjoyed doing those letters! I think the fact that there are fewer popular animal names that begin with those letters made things a bit freer.
So here they all are! You can see them in detail at my website.
Update: due to a certain amount of interest, I’ve started to make prints available. If there’s any work you’re interested in that you don’t see available, please let me know!