Because the urinary and digestive systems of dogs do not operate at the same time, but operate separately. At the same time, dogs have the habit of marking their territory through urine; so there will be situations where they will not urinate and feces together. The reluctance of dogs to pee and poop in the same place is related to their habits and is normal.
First of all, dogs are mammals, and they are different from other birds and other animals. There is a big difference. Their urinary and digestive systems are carried out separately, so urine and feces are not excreted at the same time.
Secondly, dogs' living habits may also cause them to have Not excreting in the same place. Usually, dogs will mark their territory through the smell of urine, so if the owner walks the dog regularly, they will choose a familiar area to urinate.
Finally, dogs generally choose secluded grass or sheltered areas to defecate, because they feel they are more likely to be attacked when defecating and want to defecate in a certain safe area.