Abstract
Great-winged Petrel Pterodroma macroptera is currently considered uncommon in the south-west Atlantic Ocean. However, via a compilation of all recent records available, we found evidence of a regular, wider distribution from breeding colonies in Tristan da Cunha and Gough towards South America. We review these records, report a new beach stranding in Brazil, which is the northernmost record in the south-west Atlantic, and discuss the problems of at-sea separation of Great-winged Petrel from the darkest-plumaged Trindade Petrel P. arminjoniana.
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