Sypniewski also says if the dog doesn't have any tags, you should take him to the nearest shelter, vet or groomer and ask to do a full-body scan using a universal scanner to check if he has a microchip. (There are three different types of microchips and their corresponding scanners.)
If the dog does have tags, that's fantastic, but proceed with caution.
"Checking for an ID can be tricky, because the pet might be fearful and not be too keen on you getting in his space," Sypniewski said. "Don't rush it; go slowly and allow him to trust you. Offer him some sort of really delicious food to entice him to chill with you long enough so you can look at his tag and call the numbers. The wonderful thing about ID tags is they can usually lead to a very quick reunion, saving both you and the owner a drive to the local shelter."
Buster the dog being rescued with the help of NinjaDog Concepts; he'd been missing for four weeks.FACEBOOK/SARAH SYPNIEWSKI