They tell you where Pokemon are and where Pokemon swarms are.
if by 'swarm' you mean a mass outbreak, then turn on your pokegear to the radio and go to the prof. oak and Mary's talk show. here they wil mention breaking news of an outbreak of a random hard to find Pokemon. the Pokemon will be random and be different every day.
Swablu can be caught in a Swarm. You can see if its the swarm for the day by checking your PokeGear Radio, Mary and Prof. Oak's Pokemon Talk.
in pallet town.
you pick a squirtle from the Pokemon proffeser oak gives you to choose from
To get a baltoy in Pokemon heart gold you must go to the pokegear and listen to the radio the program with Mary and profesor Oak it tell's you every day about a different Pokemon that desided to appiar in a plase so wait until he tells you about baltoy!!
if you turn you pokegear onto the music setting and listen to prof. oak and Mary's talk show, they will mention breaking news about certain Pokemon mass outbreaks... the Pokemon that have a mass outbreak will be different every day but there is a chance to have an outbreak of ralts
In kanto in route 1 when there's a swarm of them(mary and oak show on pokegear).
if by 'swarm' you mean a mass outbreak, then turn on your pokegear to the radio and go to the prof. oak and Mary's talk show. here they wil mention breaking news of an outbreak of a random hard to find Pokemon. the Pokemon will be random and be different every day.
Swablu can be caught in a Swarm. You can see if its the swarm for the day by checking your PokeGear Radio, Mary and Prof. Oak's Pokemon Talk.
After you've baeten the champion go to the pokegear then go to Mary and oak then they will tell you new Pokemon that are really impossible to catch.Then they will tell you chansey is in Kanto somewhere.
All different types of Pokemon are swarm Pokemon. You have to check the Pokegear's radio on Professor Oak's talk show to find out which Pokemon it is that day. Generally, rare Pokemon that can only be caught in swarms or very little at normal times appear in swarms.
in pallet town.
After you obtain the national pokedex, insert the Sapphire game pak, go to Iron Island B1
Listen to Mary and Oak everyday until it is announced
Pokemon lab in palet town
you pick a squirtle from the Pokemon proffeser oak gives you to choose from
Show it to Proffeser oak