i mean the number of legendaries, the name of each one and how to get them I already have 6 of the ones I know of.
Most or ALL of them (Except Unova and Kalos Legends Of course! are recruitable but some have requirements
source: Serebii Page
Here are some....
Articuno level 43- Location: Mt. Avalanche Summit: Requirement: Nintendo Wondermail Event only
Zapdos level 29- Location: Electric Plateau 7F : Requirement: Must have Secret Slab or Enigma Part in bag
Moltres level 45- Location: Final Maze B40F
Mewtwo level 60 (Dark only you are playing time)
Mew level 46: Location: Mysterious Jungle Interior : Requirement: Nintendo Wondermail Event Only
Raikou level 46: Hidden Ruins B20F Archipelego 25F : Requirement: Must have Secret Stoneplate or Enigma Part in bag
Entei level 47 :Location: Dark Crater Deepest Part B10F :Requirement: Must have Secret Stoneplate or Enigma Part in bag
Suicune Level 45 : Location: Final Maze B29F