They're putting out a plea, for animal foster parents to help take care of dogs and cats as they get ready for adoption.
"Summer is when we start to see the puppies and kittens, and unfortunately we can't put them up for adoption until they are about eight weeks old, and can be spayed or neutered," said Melissa Gable.
Gable is with Maricopa County Animal Care and Control. She says shelters are getting busier and fuller than usual, it's typical for the summer months, but that doesn't make it any easier.
"There is a constant need, even when it's not puppy and kitten season we get animals that get upper respiratory infections, or that come in with a broken limb, or maybe an animal that just needs a little break from the shelter," said Gable.
Together with several other non-profit organizations that aim to save dogs and cats, MCAC is putting out a plea for foster parents.
"Our rescue gets an average of 10-15 surrender calls and e-mails a day, and we just can't keep up with that, and that's just us, and we're one of the smaller rescues," said Brittany Ladrech.
Brittany Ladrech volunteers with the group Valley Dogs Rescue, they are struggling to help all the animals being brought in.
"Based on the heat cycles of the dogs and cats, we get flustered with an incoming amount of kittens and puppies at certain times of the year, so we need more fosters during those times," said Ladrech.
Puppies, kittens, injured animals, even adult dogs and cats need a little help getting ready to go to their forever home, and foster parents can help.
"You have to have a lot of tender loving care, at our agency we are unable to supply food, so we ask that our fosters can provide food and socialize them, if you have a puppy show them and introduce them to other animals, and other people, so they grow up to be a well-socialized dog or cat," she said.
Gable says it may not always be easy, but helping to save a life is always rewarding, and it really can be as simple as fostering.
"If there is a group that you're interested in, I would urge you to call them up, and ask them how can I help, what can I do for you," said Gable.
If you cannot foster, you can donate puppy and kitten food, even bottles to help the shelters feed all the babies that come in.