I could not identify code 4/5 species that breed regularly in the ABA area (Table 4). However, because of recent changes in the countability of native reintroduced species we can now add Aplomado Falcon (code 3) and California Condor (code 6) to the list of breeding birds in the ABA area.
I should mention that the number of ABA-area breeding species will change periodically, current species could (1) split or merge as new DNA information becomes available (ie. 2016 Western Scrub-Jay split), (2) breeding ranges could expand or contract over time and (3) introduced exotic species could be added to the list or delisted (ie. Budgerigar delisted in 2016) if they are extirpated from the ABA area.

Any feedback on my approach to counting species that breed regularly in the ABA area is appreciated.