Fireflies as the Sun
The possibility of the sun burning out sparks the fireflies to become the new sun.
Squirrel Tree Planters
Squirrels take on the role of tree planters. Based off of the fact where squirrels hide their nuts, which then their forgetfulness results in a tree being grown.
Polar Bears as Sharks
Polar bears become sharks, putting an end to their starvation and removing sick fish from the ecosystem.
Sea Turtle Bodyguards
Sea turtles act as bodyguards to whales, deflecting attacks from poachers.
Antlered animals stand in as trees for various forest creatures.
Chameleon Invisible Cloak
Chameleons work together to cloak tigers from threats.