eared seal vs long-eared owl

eared seal

noun
  • A seal belonging in the Otariidae family; a fur seal or a sea lion, differing from the true seals in having small, visible ears and the ability to walk on land. 

long-eared owl

noun
  • Asio otus, a species of owl which breeds in Europe, Asia, and North America. Long eared owls are partially migratory, moving south in winter from the northern parts of their range. 

How often have the words eared seal and long-eared owl occurred in a corpus of books? (source: Google Ngram Viewer )