How do you differentiate between male and female dogs? If it is a puppy, you can pick it up and observe the dog's reproductive organs. The genitals of a male dog are far away from the anus, and the genitals of a female dog are close to the anus. If it is an adult dog, it is easiest. The best way is to look at the way dogs urinate. Female dogs will squat down to urinate, while male dogs will raise one hind leg to urinate.

If it is a puppy, you can catch it. Start paying attention. The red circles are the reproductive organs of dogs. In addition, the genitals of male dogs are far away from the anus, as shown below:

The female dog’s genitals are close to the anus, as shown below:

If it is an adult dog, the easiest way is to look at the way the dog urinates. Female dogs will squat down to urinate, while male dogs will lift one hind leg to urinate.