Tailow evolves at lv22. Try to learn how to use grammar, ok cave man?
with a trade
36
nooooooooooooooooo
at level 30
Tailow evolves into Swellow. That's all.
Tailow learns wing attack at lv.13
level 19
if you trade it then you get dugdrion i think
It eveloves at level 42
at lvl.41
get a metal coat and trade
Leaf stone evolves Nuzleaf into Shiftry.