You can catch them while they're in swarms. Otherwise it's almost impossible and will take you weeks non-stop. To get Pokemon in swarms you need to listen to the radio on your pokedex and wait for it to say where the snubull is swarming.
Chat with our AI personalities
you can catch snubulls when they are swarming. to find out what is swarming where talk to the girl by the tv at the big house to the right in sandgem town
You can't catch Skitty in Pokémon HeartGold or Pokémon SoulSilver but you can catch it in the Hoenn Field in the PokéWalker device and then transfer it over into HeartGold or SoulSilver.poke walker .
You trade for it.
Unfortunatly, not -.-
You can catch it in safari zone near 47