hear hear. It was a lovely piece.

13. Four are stomping, a thousand dancing, what is it?

A horse's legs and tail

12. The handless-legless is building a bridge, what is it?

Ice

11. The older brother stays with legs tied up, the younger one goes towards Moscow, what is it?

Fire burning

10. Across the field runs a wet, tacky bear, what is it?

Fog

9. The handless-legless rises up, what is it?

A penis

8. In the middle of my field lies a Tatar scarf, what is it?

Rowan berries

7. I may die on my back, I may die on my head, lyr-lyr-lyr, it cries, what is it?

Leaves on trees

6. Although I'm beautiful, they don't call me a maiden, who am I?

A turnip (???)

5. If its belly is full, it cries, if it's starving, it doesn't, what is it?

A bucket

4. Black but not a crow, horned but not a cow, what is it?

An insect

3. The village is crowded, yet the rooster does not sing, people do not get up, what is it?

A cemetery

2. A bear runs around in the forest, what is it?

Lice

after this week, I can relate

There you have it.
As I said, I left out the Samoyeds and focused only on Finno-Ugrians (the main branches among them).
All of these peoples deserve many-many more words - but I'll surely talk about them still in the future.
Feel free to ask any questions!