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Take my bird banding code quiz (more coming soon)! https://scratch.mit.edu/projects/236678033/ Check out these links for more info on the subject! http://listing.aba.org/checklist/ABA_Checklist-8.0.2.pdf - This one has all of the BBCs for all American birds. https://www.carolinabirdclub.org/bandcodes.html - This one basically states what I have in the project, and goes at little more in-depth at the end. http://www.birdpop.org/docs/misc/Alpha_codes_tax.pdf - This one has codes for most North/South American species. https://help.ebird.org/customer/portal/articles/2667298-quick-entry-code-methodology?b_id=1928 - This explains eBird codes.