wintering only (blue), on migration only (orange) Synonyms Zamelodia ludoviciana The  Rose-breasted Grosbeak ,  Pheucticus ludovicianus , is a large  seed-eating   songbird  in the  cardinal  family (Cardinalidae). It breeds in cool- temperate   North America ,  migrating  to  tropical   America  in winter. [ 1 ] Contents   [ hide