Verified answer

You can look up their locations on the internet. That's what I had to do. If you are like me, you probably missed the one that is on a ledge near the waterfall. You have to aim just right and jump to it.

I hate to be a game spoiler, but at the end of the game, you get a chance to make one of 3 wishes. Choose Love, and you will get your family and doggie back.