Spots 
Selfish hoarding transforms human abundance into relentless toil. An old woman bakes small cakes for a weary traveler, but every cake grows too large in her eyes to give away. Denied even a crumb, the stranger curses her greed, changing her into a bird compelled to peck hard wood for every bite while retaining her red cap.
Blind trust in a trickster's advice strips away pride and beauty. A sly fox convinces a proud bear to catch fish by dropping his long, bushy tail into a hole cut through thick river ice. As night falls, the water freezes solid around the tail, severing it completely when the startled bear pulls free.
Guilt leaves an indelible mark that exposes every deceit. After a farm woman hires a fox to herd her cattle, the animal devours her butter and flees into the woods. She hurls a scoop of sweet milk at his escaping form, striking the tip of his bushy tail and staining it permanently white.
Shared burden allows small creatures to achieve what individual power cannot. Fire remains guarded on a distant peak until animal swiftness and cooperation wrest a burning brand from its jealous keepers. Passing the flame down a relay chain of runners, each animal bears a mark of the heat while delivering warm life to humanity.
Transient beauty can be preserved by giving it new wings. The Creator gathers the rich gold of autumn leaves, the yellow of corn, and the blue of morning sky into a single pouch for children to open. When unsealed, the bright colors burst forth as flying blossoms that dance across the air.
Unchecked ambition without full knowledge leads to inescapable disaster. A greedy ship captain steals a magical hand mill capable of grinding endless salt, but fails to learn the command that makes it halt. The overburdened vessel sinks to the ocean floor, where the mill continues grinding forever.
Traditional origin stories explain animal traits and natural phenomena through folklore and moral lessons.