To Get The 2 Ancient Legendaries you need to Obtain The Silver Feather Or The Rainbow Wing. Then For Lugia Go To The Ecruteak Dance Theatre And Beat The 5 Kimono Girls Then Obtain The Tidal Bell Then Find a Waterfall Inside of The Whirl Islands. For Ho Oh Go To The Tin Tower And Climb To The Top WITH THE RAINBOW WING!!! The Silver Wing Is Obtained When Defeating team rocket in the Johto radio tower and the rainbow wing is obtained in Pewter City In The Kanto
Probably either Mewtwo or Rayquaza.
Its Either Raikou Or Entei. Suicune Can Be Catch On Kanto.
Moltres is the only legendary Pokemon in Mt. Silver for HeartGold / SoulSilver only.
7 "legendary" Pokemon
The Legendary is Lugia it can be found in whirl islands
Moltas: the fire legendary bird Pokemon the second strongest bird Pokemon
the only legendary that you can breed is manaphy. and that will result in a phione.
moltress
You can't breed legendary Pokemon eggs on Pokemon SoulSilver or on any Pokemon game.
Latios
no.
They will simply gain Exp. You can't breed legendary pokemon.