Animal-activated animal waterers; Animal-activated pet feeders that include dispensers for releasing pet toy feeder balls with pet food and pet treats therein; Animal litter boxes; Bird feeders; Cat litter boxes; Filters for use in cat litter boxes; Litter boxes for pets; Pet feeding and drinking bowls; Pet grooming device comprising a built in brush head and an attachment that connects to a water source; Pet litter boxes; Pet water bowls; Pet water fountains being dishes