2013-09-12: Chloropipo holochlora is invalidated (synonym Xenopipo holochlora).
2013-09-03: Artemisiospiza belli nevadensis is invalidated (synonym Artemisiospiza nevadensis).
2013-09-03: Otus flammeolus is invalidated (synonym Psiloscops flammeolus).
2013-09-03: Tryngites is invalidated (synonym Calidris).
2013-09-03: Tryngites subruficollis is invalidated (synonym Calidris subruficollis).
2013-09-03: Eurynorhynchus is invalidated (synonym Cacicus).
2013-09-03: Eurynorhynchus pygmeus is invalidated (synonym Calidris pygmea).
2013-09-03: Limicola is invalidated (synonym Calidris).
2013-09-03: Limicola falcinellus is invalidated (synonym Calidris falcinellus).
2013-09-03: Philomachus is invalidated (synonym Calidris).
2013-09-03: Philomachus pugnax is invalidated (synonym Calidris pugnax).
2013-09-03: Aphriza virgata is invalidated (synonym Calidris virgata).
2013-09-03: Aphriza is invalidated (synonym Calidris).
2013-01-10: Carpodacus purpureus is invalidated (synonym Haemorhous purpureus).
2013-01-10: Carpodacus cassinii is invalidated (synonym Haemorhous cassinii).
2013-01-10: Carpodacus mexicanus is invalidated (synonym Haemorhous mexicanus).
2013-01-10: Amphispiza belli is invalidated (synonym Artemisiospiza belli).
2013-01-10: Thryothorus spadix is invalidated (synonym Pheugopedius spadix).
2013-01-10: Thryothorus atrogularis is invalidated (synonym Pheugopedius atrogularis).
2013-01-10: Thryothorus fasciatoventris is invalidated (synonym Pheugopedius fasciatoventris).