sea eagle vs white-tailed eagle

sea eagle

noun
  • An eagle with a distinctive white tail; specifically, the white-tailed eagle (Haliaeetus albicilla). 

  • A genus of eagles (genus Haliaeetus). 

white-tailed eagle

noun
  • A sea-eagle with a distinctive white tail; (Haliaeetus albicilla). 

How often have the words sea eagle and white-tailed eagle occurred in a corpus of books? (source: Google Ngram Viewer )