They help you catch rare Pokemon such as duskull and riolu. For example: I caught my duskull using peak objects in the swamp area.
It is in the Safari Zone when you put different items in a area.
in the safari zone (special items) OR transfer from sapphire, ruby, and emerald
Safari Zone with 15 peak items layed out
To get hippopotas in heartgold and soulsilver you need to go to safari zone and use special items.
You can get lotad in the safari zone if you place the right items. to find out exactly how look at the pokemon marriland or serebii safari zone guide.
Baboa is the owner of the safari zone.
Pikachu isn't found in the Safari Zone.
Safari Zone.
In HeartGold you can find Larvitar on Mt. Silver or in the Safari Zone (in the 'Mountain' area).Safari Zone
In HeartGold/SoulSilver you can find a Ryhorn on Victory Road or in the Safari Zone. In the Safari Zone, it's in 'savannah' areas.
You can find a Jigglypuff in the Johto Safari Zone in Pokémon HeartGold and SoulSilver in the Meadow and Swamp areas of the Safari Zone.
You have to wait for Baoba the Warden to call you to tell you the safari zone is open.