The seeds attached to its cotton fluff are full of nutrients. It spreads them on the wind so that plants and other Pokémon can benefit from them. (Eldeoss)
It kicks berries right off the branches of trees and then juggles them with its feet, practicing its footwork. (Raboot)
Only Farfetch’d that have survived many battles can attain this evolution. When this Pokémon’s leek withers, it will retire from combat. (Sirfetch’d)