phalarope vs sea goose

phalarope

noun
  • Any of three small wading birds in the genus Phalaropus, of the family Scolopacidae, that have lobed toes. 

sea goose

noun
  • A phalarope. 

  • A dolphin. 

How often have the words phalarope and sea goose occurred in a corpus of books? (source: Google Ngram Viewer )