CategoryHierarchies.com

"Bird Cages" in the hierarchy "Pets/Pets Supplies/Cat Litter/Bird Cages" refers to the enclosures designed for housing and caring for birds as pets. While it may seem unrelated to cat litter, it fits into this hierarchy by being a specific type of pet supply that is relevant to bird owners who are already shopping in the "Pets Supplies" category. These cages come in various sizes, materials, and styles to accommodate different types of birds and their unique needs, making them an essential purchase for anyone looking to keep birds as pets.