Warren Pulich's original 1988 publication Birds of North-Central Texas, included 385 species from the study area. A total of 53 species have been added to Pulich's list of North-central Texas birds since the publication in 1988. One species, Black-billed Magpie, has been taken off the list. The checklist on this site totals 438 species. As of May of 2017, over 400 of these birds have been photographed in North-central Texas (over 90%).