fowl vs songbird

fowl

noun
  • A bird of the order Galliformes, including chickens, turkeys, pheasant, partridges and quail. 

  • Birds which are hunted or kept for food, including Galliformes and also waterfowl of the order Anseriformes such as ducks, geese and swans, together forming the clade Galloanserae. 

verb
  • To hunt fowl. 

songbird

noun
  • Any bird in the passerine suborder Passeri, which are distinguished by a more sophisticated vocal apparatus 

  • A bird having a melodious song or call. 

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