Thunder is produced by an old woman who lives in the sky
Big mammal supports the earth
World is supported by fish or fish-like monster or the earth itself is such a monster
Rainbow is associated with an old woman
Rainbow is a reptile (usually a snake) or (more rare) a fish, or it is related to snake, to its tongue, breath, or to scorpion's tail
Birds, first of all vultures and eagles, live in the sky, usually at one or more layers of the upper world
Rainbow is associated with a wedding of foxes or jackals
The earth is square, the sky is usually round
Rainbow is a road, a bridge or a ladder
Milky Way is a reptile, fish, or chain of fish