"Overcrowded shelters" refers to shelters or places that are filled with too many people or animals, having more occupants than the available space can comfortably accommodate. Full definition
This dog is part of our shelter outreach program where we take dogs from overcrowded shelters in hopes of finding them a forever home here! (jerseyshoreanimalcenter.org)
Mission: Helping Hounds Dog Rescue (HHDR) provides a compassionate approach to dog rescue by matching homeless dogs from overcrowded shelter systems with loving homes. (helpinghoundsdogrescue.org)
So why overcrowd our shelters with cats who aren't actually homeless? (animalsheltering.org)