Types of litter when caring for a cat include clumping and non-clumping litters. Use different types of litter with tips from an animal rescue volunteer in this free video on cat behavior. Expert: Tracy Carreiro Bio: Tracy Carreiro is member of The Faxon Animal Rescue League. The League was founded in 1913 to help overworked and abused draft horses. Filmmaker: Christian Munoz-Donoso