Afghan Hounds are known for their independent and aloof nature. They can be difficult to train due to their stubbornness.
Basenjis are intelligent but very independent and sometimes aloof. Their strong-willed nature can make training a challenge.
Bulldogs are known for their stubbornness. While they are generally affectionate, their willful nature can make training more difficult.
Chow Chows are known for being aloof and independent. They can be very stubborn and are often resistant to obedience training.
Borzois are independent and can be aloof. Their strong prey drive and tendency to think for themselves can make training challenging.
Fox Terriers are energetic and intelligent but can be very stubborn. They often have a mind of their own and can be difficult to train.
Pekingese are independent and can be quite stubborn. They are often resistant to obedience training.
Dachshunds are intelligent but very independent. Their strong prey drive and stubborn nature can make training a challenge.