What were American Cocker Spaniels bred for?

American Cocker Spaniels were originally bred as hunting dogs, specifically for flushing game birds out of dense brush. Their smaller size and agility made them well-suited for working in the field, where they could maneuver easily and retrieve birds. Over time, their friendly and affectionate nature also made them popular as companion animals, and they became one of the most beloved dog breeds for families, especially in the U.S.