Mindmap
I did some 10 cm x 10 cm drafts of all my panels, and tried different styles for the animals, too.
Layout for panda composition
Panda sketches
References for panda pose
Turtle layouts
References for turtle
Layout & colors for hippo composition
References for hippo:
References for iceberg:
Layout for hedgehog
I tried imitating Eric Carle’s style for the hedgehog’s spikes.
Hedgehog references