The legendaries are:
. Victini (Both games)
. Reshiram (Black)
. Tornadus (Black)
. Landorus (Both games)
. Kyurem (Both games)
. Volcarona (Both games)
. Virizion (Both games)
. Cobalion (Both games)
. Terrakion (Both games)
In Pokemon Black you can actually get quite a bit of legendaries. You can Get Reshiram, Kyuram, Giratina, and Arceus. Also Kyogre and Groudon.
in Lala land
5 legionaries
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I put a link to guide on all the legendary pokemon in Pokemon Black in the related links.
The legendaries on Pokemon black are Tornadus, Kyreum, Reshiram, Cobalion, Terrakion, and Virizion. I can help you find them, too!
They are similar but they have different legendaries. *Source- Played Pokemon when I was little.
All except for Garitinia and all from Pokemon black and white.
No. Pokemon Black and White are the only current games with no legendaries not belonging to their region. It can be traded from other games, though.
Ditto can breed with anything except legendaries.
The main Pokemon that are only found on black are the legendaries Reshiram and Tornelos, however, there are several others. 013WeedleBugPoison014KakunaBugPoison015BeedrillBugPoison198MurkrowDarkFlying228HoundourDarkFire229HoundoomDarkFire285ShroomishGrass286BreloomGrassFighting311PlusleElectric313VolbeatBug430HonchkrowDarkFlying546MonmenGrass547ErufuunGrass574GothimuPsychic575GochimiruPsychic576GothitellePsychic629BaruchaiDarkFlying630BarujiinaDarkFlying641TornelosFlying643ReshiramDragonFire
There are 130 in black and white. 26 more are legendaries. This adds up to 156 pokemon.