All participants much choose an animal. They tell everyone what their animal is, then demonstrate "being" that animal (involves moving like one, and sounding like one) Once all is done, Madrich/a says "start", and everyone begins pretending to be their animal (each must have a different animal). At a random point, Madrich/a can shout "trees", upon which everyone must pretend to be a tree. Then, Madrich/a shouts "animals" and chanichim resume being animals. At each change, the last person to change to tree or their animal is out. Last person in wins.