Step 1: Let's start the face of the tree frog by drawing two eyes, resembling headlights on cars. One is facing directly at you. The other is facing away.
Step 2: Draw in the pupil in the facing eye as an elongated diamond.
Step 3: Draw in the nostril as a dot on the face between the eyes.
Step 4: Complete the mouth as a straight line below the eyes that curves around and below to fill in the jaw.
How to Draw a Tree Frog Face – Step-by-Step Tutorial