The Moon, unlike people, revives or rejuvenates every month; or those who live in the Moon are immortal; or the Moon makes decision if people should die forever or regularly revive
Birds, fish, reptiles, mammals intentionally or by chance are smeared with colorful substances or divide among themselves parts of somebody's body thus acquiring their present characteristics
When some person or animal is killed, blood paints the sky (origin of the sunrise or sunset, of reddish colors of Aurora borealis) or other natural objects (Moon, autumn vegetation)
Catastropic displacement of layers of the univers in the past or in the future is mentioned. Among variants (sometimes combined):
the sky fell on the earth; the earth (the underworld) and the sky interchanged their positions; the earth turned upside down; the layers of the universe collapsed in one after another; they will change their place during the future cataclysm
Birds or humans later changed to birds are sent to explore the earth (is it dry, are any survivals, to investigate why smoke rises to the sky, etc.) or to bring some soil to make the land that would be good for living
For girls and young women it is dangerous to come near water. Water creatures swallow them or drag away; a girl can die or become pregnant from a spirit; she can trigger a flood (rare: other cataclysm). Water spirits can come themselves to a girl who has her periods
The alive person comes to the land of the dead after somebody’s death
The alive person comes to the land of the dead to bring back somebody who has recently died (besides stories about shamans who journey to the other world to bring back the soul of a sick person) or, having no particular aim, goes there in company of somebody who had recently died or following his or her tracks
A small girl or boy who is a child of a deity comes to live with humans. Thanks to that, food or other resources become easily available. The child is maltreated, returns to its own world, human life becomes difficult and scanty
Creatures that produce rain and/or thunderstorms are birds or anthropomorphic beings with wings; or (rare) some or all birds are connected with thunder, lightning or rain though Thunder is not a bird
A tree opens its trunk to provide a refuge for a hero pursued by the monstrous bird. When the bird follows the hero the tree crushes it squeezing its trunk again
Bird-woman is energetically searching a man whom she likes, takes him by force for her husband. Turning into a monster, she kills men but is ultimately destroyed
Person gets into the belly of water being or into the belly of giant creature which appearance and living place remain vague. He kills the monster from the inside and/or returns to earth by himself (i.e. not extracted by other people)
Person feeds others a food that is extracted from his, hers or somebody else’ body or is polluted by body extractions not informing about the source of the food
Adding salt, person makes food delicious. Another person gets to know that this salt is extracted from the cook’s body (it is contained in his body extractions)
Person or creature who has no wings or is unable to fly on a long distance attempts to ascend to the sky or to fly far away but falls down or, deprived of his wings, remains in a place from which he is unable to return