4 letter codes
Open the latest AOU standard code list: AOU web page
Choose:
Alpha codes in taxonomic order - to see birds grouped by family-genus
Alpha codes in alphabetically by english name - to see birds from a to z by name
Use the search function in your PDF viewer
to find the common or scientific name of the
bird you seek.
meaning of symbols within PDF file:
“+” before English name indicates a non-species taxon
* Four-letter and six-letter codes that, because of conflicts, are not "1st-order" codes are marked with asterisks.