Comparassions
HeartGold Exclusives: Growlithe, Spinarak, Mantyke, Mantine, Mankey, Primape, Ariados, Gligar, Gliscore, Arcanine, Donphan, Phanphy, Kyogre.
SoulSilver Exclusives: Vulipix, Ninetales, Meowth, Persian, Ledyba, Ledian, Teddiursa, Ursaring, Delibird, Skamory, Groudon.
11 SoulSilver Exclusives
13 HeartGold Exclusives
--------------------------------------------------------------------------
Originals *Changes*
Silver: Ekans & Arbok were Exclusives, Phanphy & Dophan were Exlusives, everything else the same except for non 2nd Generation Pokes.
Gold: Sandshrew & Sandslash were Exclusives, Teddiursa & Ursaring too, the rest are the same, except for Non-2nd Gen Pokes.
12 Silver Exclusives
12 Gold Exclusives.