Mother Earth vs wildlife

Mother Earth

name
  • The goddess of the earth in various cultures. 

  • The personification of the Earth, (chiefly) conceived as a fertile, nurturing, and loving mother. 

wildlife

noun
  • Animals, plants, and fungi, not normally domesticated, often to the exclusion of plants, fungi, fish, insects and other invertebrates, and microscopic plants and animals; hence 

  • Wild animals (especially to the exclusion of fish). 

  • Members of a college fraternity 

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