While I was making the "paper of the day" I remembered that several years ago I created a couple of sets of Missouri Bird brushes for Adobe Exchange. There's a total of 79 birds in the sets. If you'd like to add these to your brush collection you can find them here or at the Exchange. If you use the Exchange link then just type "bird brushes" into the search and it should pop right up. Here is a sample of what's included in the set. Enjoy! 
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Bird Brushes
Mon, 04/01/2013 - 18:36
#1
Bird Brushes
Looks great! Thanks for sharing!
Wow! Those are beautiful!
Those are wonderful! Thank you.
These are lovely, thanks for sharing.
wow! Thank you! do they have any license restriction?
Wow is right, they are beautiful. I also happen to live in Kansas. Thank you.
Thank you! Are these PU or CU?
They have no license restriction on them. I uploaded them to the Exchange almost 10 years ago when I just started really learning how to make my own brushes, patterns, etc in PS. You can use them for anything personal or commercial that you like. I've been thinking about doing another group of brushes for common Missouri wildflowers. That is if I ever find the time to just sit down and play again! Thank you for the nice comments about my brushes!
These are amazing! Thank you so much. I went to the exchange and downloaded a few more sets - I have spent hours yesterday getting rid of files on my computer and now I've got a load more - laughing!
Those are beautiful, thank you so much for sharing.