Happier Tails Rescue 501c(3) Foster Based Non-Profit, No-Kill Rescue. Serving Southern California. Happier Tails Rescue, Inc. is a 501(c)(3) foster-based, non profit, no-kill rescue located in Southern California. We are a rescue organization that saves the unwanted, abused, forgotten, abandoned, red-listed dogs in shelters and in our communities. We rescue all breeds, sizes and ages