2013-09-12: Pipra is invalidated (synonym Dixiphia pipra).
2013-09-12: Pipra erythrocephala is invalidated (synonym Ceratopipra erythrocephala).
2013-09-12: Pipra mentalis is invalidated (synonym Ceratopipra mentalis).
2013-09-12: Pipra pipra is invalidated (synonym Dixiphia pipra).
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).