To put things simply:
Farfetch'd, or Ch'Ding, as yours happens to be nicknamed, doesn't evolve in any Pokemon game to date. Yup. Hope you didn't lose too much sleep over that, bud.
Girafarig doe's not evolve
it depends on the Pokemon that are evolving
It evolves at level 40.
level 37
Level 34
mightyena doesn't evolve on Pokemon pearl, he doesn't evolve in any Pokemon game!
evolve snowver at level 40
Buizel evolve at level 26.
IT DOESN'T EVOLVE
It evolves in Pokemon Diamond and Pokemon Pearl at Level 40.
level 18
at level 30
level 50
Level 18
Level 20.
at level 14
Level 20