Its unusual activity and white markings pique the curiosity of ducks and geese which swim over to investigate. Nova Scotia Duck Tolling Retrievers are known to be very intelligent, curious, alert, outgoing, and high-energy dogs. They are affectionate, eager to please, busy, and get along well with children. They are good family dogs, however during the decision process potential owners should be wary of the physical and mental commitment that is required in order to keep a Toller busy. Physical stimulation should be provided for these dogs each day since they may become destructive when they are not exercised enough or are left alone for long periods of time.