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. Their shelter aims to adopt out 600 pets to safe homes each year. Filmmaker: Christian Munoz-Donoso