golden plover vs green plover

golden plover

noun
  • A migratory plover of the genus Pluvialis, having black underparts and a golden back in the breeding season, now regarded as the three species P. apricaria of Europe, P. fulva of the Pacific coasts, and P. dominica of North America. 

green plover

noun
  • Synonym of golden plover 

  • The lapwing. 

How often have the words golden plover and green plover occurred in a corpus of books? (source: Google Ngram Viewer )