No, you do not need headbutt to find Pickachu. Pikachu can be found in different grass areas. It is a fairly common Pokemon.
Headbutt will not produce a Farfetch'd in Soul Silver. It can be found in the grass at the Safari (wetlands), route 38, 39, 47, 48 during the morning or day time only.
You need to trade one from another game.
do you mean dialga? you cant catch that Pokemon in black hehehe. you need to transfer it from diamond, pearl, platinum, heartgold, or soulsilver to black, but you need an extra DS and you need the national pokedex
You must trade a skunky from Pokemon diamond game there is no other way you can catch it.
You need to be able to use Rock Climb and Headbutt to get Burmy. Just north of Olivine, near the farm where you get MooMoo Milk is a climbable wall. CLimb up in and go straight. The tree that's at the end has Burmy. Just headbutt away.
You need to trade or use poketransfer if you have one in pokemon diamond, pearl, platinum, heartgold, or soulsilver.
Note: You need Headbutt.New Bark Town Headbutt Trees.CherryGrove City Headbutt Trees.search him on your pokedex and it will be red instead of green that means you need to headbutt a tree using headbutt.
You need to headbutt trees in the national park. Pineco will appear. These are the basic stage of Forretess- you need to get it to level 31 and you will have a Forretess. (The Pineco are usually level 5 when you first catch them.)
You need to catch a Bagon and evolve into Shelgon, then Salamence.
you need to use headbutt in one of the trees in pewter city (were brok is)
You cannot catch Deoxys in the wild. It'll need to be migrated.
You need to have both Kyogre and Groudon.
you can't. you need to do mystery gift
You Might but you will need a blue orb i think
you need to cheak your pokedex to find nidorian
there is a mew in Pokemon soulsilver but you need to catch all leadndery Pokemon including event Pokemon
In both HeartGold and SoulSilver, you need to go to Lavendar Town in Kanto. Then, go into the Rock Tunnel and catch a Makuhita. You will need to evolve it to get a Hariyama.
you cant u need to catch a ghastly in the sprout tower and evolve it. it is in there at night only.