 In another episode, he becomes attached to a lost Chihuahua until his owner comes to claim him.He has a horse named Nick for a night, a rabbit (first named Henry and then Henrietta when she gives birth), a toad called Herbie, a monkey named Stanley, and a pigeon that dies and is buried in the back yard.The Beaver also has a sapling which he digs up and moves from the Mapleton Drive house to the new house on Pine Street.