If you're looking for manga similar to Ebichu, you might like these titles.
Divided into stories told by four different authors, Hamster Club uses several narrators who all happen to be hamsters to give readers a taste of what our furry friends go through each day. Some hamsters are spoiled and others must make the most of their meager homes. An entirely different perspective of life from a hamster's point of view.
Laura is a typical fifth-grade girl with a not-so-typical pet: Hamtaro! Quirky and curious, Hamtaro quickly makes friends with his fellow "neighbors" after the duo moves to a new town, and a lifetime of adventures begins. Whether it's attending sports festivals, visiting museums in the search for the world’s largest seed or playing matchmaker, the Ham-Ham Friends will stop at nothing to have a good time. When the humans stray, the hamsters come out to play!
Kuzuryu Hana, a former Hollywood actress, is enamoured by Chome, a Siberian dwarf hamster at a local pet shop.