If you're looking for anime similar to Doubutsu Tonarigumi, you might like these titles.
Spring has come and the animals are coming out of hibernation. The rabbits play jump rope, while the polar bear and the raccoon dog play leapfrog. The frog and the monkey race on a car and a bicycle. School has started...
A fox steal the world's most valuable diamond and buries it under a tree, believing it to be well-hidden. The next day, a circus arrives and sets up its tent next to the tree, its animals unwittingly digging up the diamond they believe to be just a worthless rock. They soon lose the diamond inside the circus and the desperate fox attempts to retrieve the stolen diamond before the other animals realise what they have.