Collieology - EARS THE THING: Does any breed in the world have more variety in basic ear shape, size or carriage than the Border collie? See if you can see your own
Border Collie dog. An old English breed of smart and moving shepherd dogs of medium size, a dexterous, very fast and agile dog. Her calm, sharp and at Stock Photo - Alamy
Border Collie Dog Breed Health and Care | PetMD
Border Collie: Temperament, Lifespan, Grooming, Training | Petplan