Crowmunculus's Life List at 500

To count as a life bird, a bird must be wild, unrestrained, and alive. Self-sustaining populations of feral or exotic species count (i.e. feral pigeons), but not escaped captive birds (i.e. the random lone peacock wandering your PNW neighborhood.) Birds that were only heard and not seen are still countable if you're certain of the ID. All of these birds were observed in the USA.