The distinction between male and female puppies is mainly determined by external traits and behavioral characteristics.
First of all, from the perspective of external characteristics, male dogs are generally larger and have a thicker head than female dogs, while female dogs are relatively smaller. In addition, the reproductive organs of male dogs are more obvious than those of female dogs, which can be judged by observing the shape of the abdomen.
Secondly, from the perspective of behavioral characteristics, male dogs are usually more lively and active than female dogs, and like to chase and play, while female dogs It is relatively gentle and prefers to stay close to its owner.
In short, by observing the external traits and behavioral characteristics, we can more accurately determine the male and female gender of the puppy.