badger vs ruddy shelduck

badger

noun
  • Any mammal of three subfamilies, which belong to the family Mustelidae: Melinae (Eurasian badgers), Mellivorinae (ratel or honey badger), and Taxideinae (American badger). 

  • A native or resident of the American state, Wisconsin. 

verb
  • To pester; to annoy persistently; to press. 

ruddy shelduck

noun
  • A migratory duck, Tadorna ferruginea 

How often have the words badger and ruddy shelduck occurred in a corpus of books? (source: Google Ngram Viewer )