Which dog breed, Cirneco dell'Etna or Flat-Coated Retriever, is primarily built for endurance over harsh terrain?
Cirneco dell'Etna: The Cirneco dell'Etna (] ; plural "Cirnechi" [tʃirˈnɛki] ) is a small breed of dog originally from Italian island of Sicily. Cirneco dell'Etna:  The breed also has a keen sense of smell and is primarily built for endurance over harsh terrain such as that of Mount Etna. Flat-Coated Retriever:  It was developed as a retriever both on land and in the water.
Cirneco dell'Etna