2018-07-11: Picoides stricklandi is invalidated (synonym Dryobates stricklandi).
2018-07-11: Picoides albolarvatus is invalidated (synonym Dryobates albolarvatus).
2018-07-10: Picoides borealis is invalidated (synonym Dryobates borealis).
2018-07-10: Picoides scalaris is invalidated (synonym Dryobates scalaris).
2018-07-10: Picoides nuttallii is invalidated (synonym Dryobates nuttallii).
2018-07-10: Picoides pubescens is invalidated (synonym Dryobates pubescens).
2017-06-28: Larus thayeri is invalidated (synonym Larus glaucoides thayeri).
2017-06-28: Mesophoyx is invalidated (synonym Ardea).
2017-06-28: Mesophoyx intermedia is invalidated (synonym Ardea intermedia).
2017-06-28: Procelsterna cerulea is invalidated (synonym Anous ceruleus).
2017-06-28: Damophila is invalidated (synonym Juliamyia).
2017-06-28: Damophila julie is invalidated (synonym Juliamyia julie).
2017-06-28: Anas americana is invalidated (synonym Mareca americana).
2017-06-28: Anas penelope is invalidated (synonym Mareca penelope).
2017-06-28: Anas falcata is invalidated (synonym Mareca falcata).
2017-06-28: Anas strepera is invalidated (synonym Mareca strepera).
2017-06-28: Anas clypeata is invalidated (synonym Spatula clypeata).
2017-06-28: Anas cyanoptera is invalidated (synonym Spatula cyanoptera).
2017-06-28: Anas discors is invalidated (synonym Spatula discors).
2017-06-28: Anas querquedula is invalidated (synonym Spatula querquedula).