From page 197 of Birds of South America: Passerines:
Since November 2011, there have been six new species described by several authors that had not yet been accepted as valid by the South American Checklist Committee (SACC) by the publication of this book:
Roosevelt Stipple-Throated Antwren
Sucunduri Yellow-Margined Flycatcher
As of January 10, the Inambari Woodcreeper is the only species of these six that has been accepted by the SACC.
Birds of South America: Passerines
Ber van Perlo
This comprehensive field guide to the birds of South America covers all 1,952 passerine species to be found south of Panama, including offshore islands such as Trinidad, the Galapagos, and the Falklands, and the islands of the Scotia Arc leading to the Antarctic mainland. It features 197 stunning color plates and detailed species accounts that describe key identification features, habitat, songs, and calls. All plumages for each species are illustrated, including males, females, and juveniles. This easy-to-use guide is the essential travel companion for experienced birdwatchers and novice birders alike.