We have very strict leash laws here, so it's VERY rare that I ever see a dog running loose/a poster up for a lost dog. And each village in our town has a very caring animal control officer and if ever a dog is sighted running loose, someone will call Cheryl who comes to the resuce What I do see here are tons of missing cat posters It breaks my heart to read the family's pleas to help find him. Almost all say, "no collar or tags." My vet, in conjunction with the MSPCA and Humane Society is running a little campaign at the hospital, all about kitty education. He is very much for collaring and tagging cats and provides written info dispelling the myth that cats are more likely to choke, wearing a collar. A properly fitted collar, the right kind, is highly unlikey to cause injury. Without tags, a lost kitty has a less than 2% chance of being reunited with his/her family.