R

Here is a list of all the R combos

R2D2 = Android + Bald Rat Ra = Eagle + Human Rabbit = Hare + Pig Raccoon = Rat + Wasel Rat = (Starter) Raven = Chicken + Rat Red Panda = Panda + Owl Red Ruffed Lemur = Ring Tailed Lemur + Red Panda Rhinoceros = Hippopotamus + Horned Bird Rhinoceros Beetle = Beetle + Woodpecker Rhinozebra = Rhinoceros + Zebra Ribbon Seal = Seal + Tiger Ring-tailed Lemur = Raccoon + Lynx Road Runner = Cuckoo + Ostrich Robocop = Terminator + Termite Rockhopper Penguin = Penguin + Flea