Pets - Lost and Found Web Sites

If you've ever found yourself with a furry friend who you've found on the street and wondering who he / she belongs to, you have some options.

Missing Pet Network
Pet Finder
Pets 911
Lost Pet SOS
Fido Finder
Dog Detective

There are a lot of options and these are the tip of the iceberg..  there may be too many, but in a google search, these are the top results that pop up.
Don't forget, you always have