Maybe the shelter is full and we need to temporarily house animals until space opens up or an animal may need extra TLC before going up for adoption. (windhamcountyhumane.org)
Many times animals that come to us, especially puppies and kittens, can not go up for adoption right away. (hsmo.org)
After 5 days pets may go up for adoption as long as they are healthy and friendly. (almosthomehumane.org)