They say that the dog is the best friend of man, but according to me, dogs are and will be friends of both man and animals. As a matter of fact, dogs have most virtues born with them, from being motherly, caring, obedient, to being submissive too.
In the short clip below, we see a dog by the name of Blakely, who is an Australian shepherd. Actually, he was adopted at the Cincinnati Zoo, while still a puppy. But amazingly, he managed to become an important staff member at the zoo whereby he became a professional nanny young animals abandoned by their mothers at the zoo. His work is to help the young ones learn how to live and play together.
Video on the next page: