Zoo: fun fact you do not need to double sign O instead move it forward

Lion: pull your hand back like its a mane

Tiger: showing tigers have stripes

Gorilla: pretending to pound the chest

Monkey: this is just a fun sign

Giraffe: U shaped hand showing a long neck

Zebra: repeat the action twice

Hippo: open hands far enough away that it shows how large a hippos mouth is.

Elephant: start at the nose and move in a wave motion to represent the trunk.