Check your PokeDex. All Pokemon which areas are glowing red need the pokeradar to find them.
Yes use your Pokeradar
use a pokeradar in eterna forest
Use the pokeradar on route 207.(pokeradar obtained after you complete the sinnoh dex)
You can't catch whismur in Pokemon pearl or diamond but but you can catch its evolved form loudred with the pokeradar on the top of mt coronet.
go to route 230 and use the pokeradar.
No, but you just catch it at Route 228 by using a PokeRadar
You can find Kirlia on Route 203 and 204 by using your Pokeradar.
Yes but you need to use a Pokeradar
To catch the Tyrogue in Pokemon Pearl, use a Pokeradar. Find the Tyrogue on Routes 208 and 211. Pass through Rowan after getting the national Dex.
pokeradar is only at Pokemon pearl , diamond and platinum.
with pokeradar on the route right next to canalave city and jubelife city
you can find it on routes 203 and 204 but you have to have the pokeradar which you get after you beat the elite four