Although I could not see the details because this occurred within a tree grove, there is enough information here to see that the full-sized, though only 8-month-old, pup approaches its father for food by sticking its snout into the father’s mouth. Apparently, the pup gets something because its attention is on the ground in the second photo, and it stays behind to “finish up” whatever Dad had given him in the third photo.
At 8 months of age a pup does not need help from its father in getting food. However, giving the pup food tightens the strong bond which already exists and may keep the family together for a longer period of time.