 In absence of the mothers, they were observed to prevent the approach of strangers by vocalizations or even by physical attacks.Moreover, one male fed the litter by regurgitation showing the existence of paternal care in some free-roaming dogs.Space used by feral dogs is not dissimilar from most other canids in that they use defined traditional areas (home ranges) that tend to be defended against intruders, and have core areas where most of their activities are undertaken.